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authorjohannst <johannst@users.noreply.github.com>2020-09-16 22:23:09 +0000
committerjohannst <johannst@users.noreply.github.com>2020-09-16 22:23:09 +0000
commit449b66753370d6b64bc9aa7e5c0592ba0fe6f680 (patch)
treeb245d2a3825031336b4a5779f1ab9fc54ce88f2b /tools
parent78ecd047f07df42673eb63436fe4508d1c3b22cd (diff)
downloadnotes-449b66753370d6b64bc9aa7e5c0592ba0fe6f680.tar.gz
notes-449b66753370d6b64bc9aa7e5c0592ba0fe6f680.zip
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-rw-r--r--tools/bash.html360
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-rw-r--r--tools/fish.html369
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+ <main>
+ <h1><a class="header" href="#awk1" id="awk1">awk(1)</a></h1>
+<pre><code class="language-markdown">awk [opt] program [input]
+ -F &lt;sepstr&gt; field separator string (can be regex)
+ program awk program
+ input file or stdin if not file given
+</code></pre>
+<h2><a class="header" href="#input-processing" id="input-processing">Input processing</a></h2>
+<p>Input is processed in two stages:</p>
+<ol>
+<li>Splitting input into a sequence of <code>records</code>.
+By default split at <code>newline</code> character, but can be changed via the
+builtin <code>RS</code> variable.</li>
+<li>Splitting a <code>record</code> into <code>fields</code>. By default strings without <code>whitespace</code>,
+but can be changed via the builtin variable <code>FS</code> or command line option
+<code>-F</code>.</li>
+</ol>
+<p>Fields are accessed as follows:</p>
+<ul>
+<li><code>$0</code> whole <code>record</code></li>
+<li><code>$1</code> field one</li>
+<li><code>$2</code> field two</li>
+<li>...</li>
+</ul>
+<h2><a class="header" href="#program" id="program">Program</a></h2>
+<p>An <code>awk</code> program is composed of pairs of the form:</p>
+<pre><code class="language-markdown">pattern { action }
+</code></pre>
+<p>The program is run against each <code>record</code> in the input stream. If a <code>pattern</code>
+matches a <code>record</code> the corresponding <code>action</code> is executed and can access the
+<code>fields</code>.</p>
+<pre><code class="language-markdown">INPUT
+ |
+ v
+record ----&gt; ∀ pattern matched
+ | |
+ v v
+fields ----&gt; run associated action
+</code></pre>
+<p>Any valid awk <code>expr</code> can be a <code>pattern</code>.</p>
+<h3><a class="header" href="#special-pattern" id="special-pattern">Special pattern</a></h3>
+<p>awk provides two special patterns, <code>BEGIN</code> and <code>END</code>, which can be used
+multiple times. Actions with those patterns are <strong>executed exactly once</strong>.</p>
+<ul>
+<li><code>BEGIN</code> actions are run before processing the first record</li>
+<li><code>END</code> actions are run after processing the last record</li>
+</ul>
+<h3><a class="header" href="#special-variables" id="special-variables">Special variables</a></h3>
+<ul>
+<li><code>RS</code> <em>record separator</em>: first char is the record separator, by default
+<newline></li>
+<li><code>FS</code> <em>field separator</em>: regex to split records into fields, by default
+<space></li>
+<li><code>NR</code> <em>number record</em>: number of current record</li>
+</ul>
+<h3><a class="header" href="#special-statements--functions" id="special-statements--functions">Special statements &amp; functions</a></h3>
+<ul>
+<li>
+<p><code>printf &quot;fmt&quot;, args...</code></p>
+<p>Print format string, args are comma separated.</p>
+<ul>
+<li><code>%s</code> string</li>
+<li><code>%d</code> decimal</li>
+<li><code>%x</code> hex</li>
+<li><code>%f</code> float</li>
+</ul>
+<p>Width can be specified as <code>%Ns</code>, this reserves <code>N</code> chars for a string.
+For floats one can use <code>%N.Mf</code>, <code>N</code> is the total number including <code>.</code> and
+<code>M</code>.</p>
+</li>
+<li>
+<p><code>strftime(&quot;fmt&quot;)</code></p>
+<p>Print time stamp formatted by <code>fmt</code>.</p>
+<ul>
+<li><code>%Y</code> full year (eg 2020)</li>
+<li><code>%m</code> month (01-12)</li>
+<li><code>%d</code> day (01-31)</li>
+<li><code>%F</code> alias for <code>%Y-%m-%d</code></li>
+<li><code>%H</code> hour (00-23)</li>
+<li><code>%M</code> minute (00-59)</li>
+<li><code>%S</code> second (00-59)</li>
+<li><code>%T</code> alias for <code>%H:%M:%S</code></li>
+</ul>
+</li>
+</ul>
+<h2><a class="header" href="#examples" id="examples">Examples</a></h2>
+<h3><a class="header" href="#filter-records" id="filter-records">Filter records</a></h3>
+<pre><code class="language-bash">awk 'NR%2 == 0 { print $0 }' &lt;file&gt;
+</code></pre>
+<p>The pattern <code>NR%2 == 0</code> matches every second record and the action <code>{ print $0 }</code>
+prints the whole record.</p>
+<h3><a class="header" href="#capture-in-variables" id="capture-in-variables">Capture in variables</a></h3>
+<pre><code class="language-bash"># /proc/&lt;pid&gt;/status
+# Name: cat
+# ...
+# VmRSS: 516 kB
+# ...
+
+for f in /proc/*/status; do
+ cat $f | awk '
+ /^VmRSS/ { rss = $2/1024 }
+ /^Name/ { name = $2 }
+ END { printf &quot;%16s %6d MB\n&quot;, name, rss }';
+done | sort -k2 -n
+</code></pre>
+<p>We capture values from <code>VmRSS</code> and <code>Name</code> into variables and print them at the
+<code>END</code> once processing all records is done.</p>
+<h3><a class="header" href="#run-shell-command-and-capture-output" id="run-shell-command-and-capture-output">Run shell command and capture output</a></h3>
+<pre><code class="language-bash">cat /proc/1/status | awk '
+ /^Pid/ {
+ &quot;ps --no-header -o user &quot; $2 | getline user;
+ print user
+ }'
+</code></pre>
+<p>We build a <code>ps</code> command line and capture the first line of the processes output
+in the <code>user</code> variable and then print it.</p>
+
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diff --git a/tools/bash.html b/tools/bash.html
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+ <h1><a class="header" href="#bash1" id="bash1">bash(1)</a></h1>
+<h2><a class="header" href="#expansion" id="expansion">Expansion</a></h2>
+<h3><a class="header" href="#generator" id="generator">Generator</a></h3>
+<pre><code class="language-bash"># generate sequence from n to m
+{n..m}
+# generate sequence from n to m step by s
+{n..m..s}
+
+# expand cartesian product
+{a,b}{c,d}
+</code></pre>
+<h3><a class="header" href="#parameter" id="parameter">Parameter</a></h3>
+<pre><code class="language-bash"># default param
+bar=${foo:-some_val} # if $foo set, then bar=$foo else bar=some_val
+
+# check param set
+bar=${foo:?msg} # if $foo set, then bar=$foo else exit and print msg
+
+# indirect
+FOO=foo
+BAR=FOO
+bar=${!BAR} # deref value of BAR -&gt; bar=$FOO
+
+# prefix
+${foo#prefix} # remove prefix when expanding $foo
+# suffix
+${foo%suffix} # remove suffix when expanding $foo
+
+# substitute
+${foo/pattern/string} # replace pattern with string when expanding foo
+# pattern starts with
+# '/' replace all occurences of pattern
+# '#' pattern match at beginning
+# '%' pattern match at end
+</code></pre>
+<blockquote>
+<p>Note: <code>prefix</code>/<code>suffix</code>/<code>pattern</code> are expanded as <a href="#pathname">pathnames</a>.</p>
+</blockquote>
+<h3><a class="header" href="#pathname" id="pathname">Pathname</a></h3>
+<pre><code class="language-bash">* match any string
+? match any single char
+\\ match backslash
+[abc] match any char of 'a' 'b' 'c'
+[a-z] match any char between 'a' - 'z'
+[^ab] negate, match all not 'a' 'b'
+[:class:] match any char in class, available:
+ alnum,alpha,ascii,blank,cntrl,digit,graph,lower,
+ print,punct,space,upper,word,xdigit
+</code></pre>
+<p>Wit <code>extglob</code> shell option enabled it is possible to have more powerful
+patterns. In the following <code>pattern-list</code> is one ore more patterns separated
+by <code>|</code> char.</p>
+<pre><code class="language-bash">?(pattern-list) matches zero or one occurrence of the given patterns
+*(pattern-list) matches zero or more occurrences of the given patterns
++(pattern-list) matches one or more occurrences of the given patterns
+@(pattern-list) matches one of the given patterns
+!(pattern-list) matches anything except one of the given patterns
+</code></pre>
+<blockquote>
+<p>Note: <code>shopt -s extglob</code>/<code>shopt -u extglob</code> to enable/disable <code>extglob</code>
+option.</p>
+</blockquote>
+<h2><a class="header" href="#io-redirection" id="io-redirection">I/O redirection</a></h2>
+<blockquote>
+<p>Note: The trick with bash I/O redirection is to interpret from left-to-right.</p>
+</blockquote>
+<pre><code class="language-bash"># stdout &amp; stderr to file
+command &gt;file 2&gt;&amp;1
+# equivalent
+command &amp;&gt;file
+
+# stderr to stdout &amp; stdout to file
+command 2&gt;&amp;1 &gt;file
+</code></pre>
+<h3><a class="header" href="#explanation" id="explanation">Explanation</a></h3>
+<pre><code class="language-bash">j&gt;&amp;i
+</code></pre>
+<p>Duplicate <code>fd i</code> to <code>fd j</code>, making <code>j</code> a copy of <code>i</code>. See <a href="http://man7.org/linux/man-pages/man2/dup.2.html">dup2(2)</a>.</p>
+<p>Example:</p>
+<pre><code class="language-bash">command 2&gt;&amp;1 &gt;file
+</code></pre>
+<ol>
+<li>duplicate <code>fd 1</code> to <code>fd 2</code>, effectively redirecting <code>stderr</code> to <code>stdout</code></li>
+<li>redirect <code>stdout</code> to <code>file</code></li>
+</ol>
+<h2><a class="header" href="#completion" id="completion">Completion</a></h2>
+<p>The <code>complete</code> builtin is used to interact with the completion system.</p>
+<pre><code class="language-bash">complete # print currently installed completion handler
+complete -F &lt;func&gt; &lt;cmd&gt; # install &lt;func&gt; as completion handler for &lt;cmd&gt;
+complete -r &lt;cmd&gt; # uninstall completion handler for &lt;cmd&gt;
+</code></pre>
+<p>Variables available in completion functions:</p>
+<pre><code class="language-bash"># in
+$1 # &lt;cmd&gt;
+$2 # current word
+$3 # privous word
+
+COMP_WORDS # array with current command line words
+COMP_CWORD # index into COMP_WORDS with current cursor position
+
+# out
+COMPREPLY # array with possible completions
+</code></pre>
+<p>The <code>compgen</code> builtin is used to generate possible matches by comparing <code>word</code>
+against words generated by <code>option</code>.</p>
+<pre><code class="language-bash">compgen [option] [word]
+
+# usefule options:
+# -W &lt;list&gt; specify list of possible completions
+# -d generate list with dirs
+# -f generate list with files
+# -u generate list with users
+# -e generate list with exported variables
+
+# compare &quot;f&quot; against words &quot;foo&quot; &quot;foobar&quot; &quot;bar&quot; and generate matches
+compgen -W &quot;foo foobar bar&quot; &quot;f&quot;
+
+# compare &quot;hom&quot; against file/dir names and generate matches
+compgen -d -f &quot;hom&quot;
+</code></pre>
+<h3><a class="header" href="#example" id="example">Example</a></h3>
+<p>Skeleton to copy/paste for writing simple completions.</p>
+<p>Assume a program <code>foo</code> with the following interface:</p>
+<pre><code class="language-bash">foo -c green|red|blue -s low|high -f &lt;file&gt; -h
+</code></pre>
+<p>The completion handler could be implemented as follows:</p>
+<pre><code class="language-bash">function _foo() {
+ local curr=$2
+ local prev=$3
+
+ local opts=&quot;-c -s -f -h&quot;
+ case $prev in
+ -c) COMPREPLY=( $(compgen -W &quot;green red blue&quot; -- $curr) );;
+ -s) COMPREPLY=( $(compgen -W &quot;low high&quot; -- $curr) );;
+ -f) COMPREPLY=( $(compgen -f -- $curr) );;
+ *) COMPREPLY=( $(compgen -W &quot;$opts&quot; -- $curr) );;
+ esac
+}
+
+complete -F _foo foo
+</code></pre>
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+ <main>
+ <h1><a class="header" href="#emacs1" id="emacs1">emacs(1)</a></h1>
+<h2><a class="header" href="#help" id="help">help</a></h2>
+<pre><code class="language-markdown"> C-h ? list available help modes
+ C-h f describe function
+ C-h v describe variable
+ C-h c &lt;KEY&gt; print command bound to &lt;KEY&gt;
+ C-h k &lt;KEY&gt; describe command bound to &lt;KEY&gt;
+ C-h b list buffer local key-bindings
+ &lt;kseq&gt; C-h list possible key-bindings with &lt;kseq&gt;
+ eg C-x C-h -&gt; list key-bindings beginning with C-x
+</code></pre>
+<h2><a class="header" href="#package-manager" id="package-manager">package manager</a></h2>
+<pre><code class="language-markdown"> package-refresh-contents refresh package list
+ package-list-packages list available/installed packages
+</code></pre>
+<h2><a class="header" href="#window" id="window">window</a></h2>
+<pre><code class="language-markdown"> C-x 0 kill focused window
+ C-x 1 kill all other windows
+ C-x 2 split horizontal
+ C-x 3 split vertical
+</code></pre>
+<h2><a class="header" href="#yankpaste" id="yankpaste">yank/paste</a></h2>
+<pre><code class="language-markdown"> C-&lt;SPACE&gt; set start mark to select text
+ M-w copy selected text
+ C-w kill selected text
+ C-y paste selected text
+ M-y cycle through kill-ring
+</code></pre>
+<h2><a class="header" href="#blockrect" id="blockrect">block/rect</a></h2>
+<pre><code class="language-markdown"> C-x &lt;SPC&gt; activate rectangle-mark-mode
+ M-x string-rectangle &lt;RET&gt; insert text in marked rect
+</code></pre>
+<h2><a class="header" href="#mass-edit" id="mass-edit">mass edit</a></h2>
+<pre><code class="language-makrdown"> C-x h mark whole buffer (mark-whole-buffer)
+ M-x delete-matching-line &lt;RET&gt; delete lines matching regex
+ M-x % search &amp; replace region (query-replace)
+ C-M-x % search &amp; replace regex (query-replace-regexp)
+</code></pre>
+<h2><a class="header" href="#grep" id="grep">grep</a></h2>
+<pre><code class="language-markdown"> M-x find-grep &lt;RET&gt; run find-grep result in *grep* buffer
+ n/p navigate next/previous match in *grep* buffer
+</code></pre>
+<h2><a class="header" href="#lisp-mode" id="lisp-mode">lisp mode</a></h2>
+<pre><code class="language-markdown"> M-x lisp-interaction-mode activate lisp mode
+ C-M-x evaluate top expr under cursor
+ C-x C-e eval-last-sexp
+ C-u C-x C-e eval-last-sexp and prints result in current buffer
+</code></pre>
+<h2><a class="header" href="#narrow" id="narrow">narrow</a></h2>
+<pre><code class="language-markdown"> C-x n n show only focused region (narrow)
+ C-x n w show whole buffer (wide)
+</code></pre>
+<h2><a class="header" href="#org" id="org">org</a></h2>
+<pre><code class="language-markdown"> M-up/M-down re-arrange items in same hierarchy
+ M-left/M-right change item hierarchy
+ C-RET create new item below current
+ C-S-RET create new TODO item below current
+ S-left/S-right cycle TODO states
+</code></pre>
+<h3><a class="header" href="#org-source" id="org-source">org source</a></h3>
+<pre><code class="language-markdown"> &lt;s TAB generate a source block
+ C-c ' edit source block (in lang specific buffer)
+ C-c C-c eval source block
+</code></pre>
+
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+ <ol class="chapter"><li class="expanded "><a href="../tools/index.html"><strong aria-hidden="true">1.</strong> Tools</a></li><li><ol class="section"><li class="expanded "><a href="../tools/zsh.html"><strong aria-hidden="true">1.1.</strong> zsh</a></li><li class="expanded "><a href="../tools/bash.html"><strong aria-hidden="true">1.2.</strong> bash</a></li><li class="expanded "><a href="../tools/fish.html" class="active"><strong aria-hidden="true">1.3.</strong> fish</a></li><li class="expanded "><a href="../tools/tmux.html"><strong aria-hidden="true">1.4.</strong> tmux</a></li><li class="expanded "><a href="../tools/git.html"><strong aria-hidden="true">1.5.</strong> git</a></li><li class="expanded "><a href="../tools/awk.html"><strong aria-hidden="true">1.6.</strong> awk</a></li><li class="expanded "><a href="../tools/emacs.html"><strong aria-hidden="true">1.7.</strong> emacs</a></li><li class="expanded "><a href="../tools/gdb.html"><strong aria-hidden="true">1.8.</strong> gdb</a></li><li class="expanded "><a href="../tools/radare2.html"><strong aria-hidden="true">1.9.</strong> radare2</a></li></ol></li><li class="expanded "><a href="../monitor/index.html"><strong aria-hidden="true">2.</strong> Resource analysis &amp; monitor</a></li><li><ol class="section"><li class="expanded "><a href="../monitor/lsof.html"><strong aria-hidden="true">2.1.</strong> lsof</a></li><li class="expanded "><a href="../monitor/pidstat.html"><strong aria-hidden="true">2.2.</strong> pidstat</a></li><li class="expanded "><a href="../monitor/pgrep.html"><strong aria-hidden="true">2.3.</strong> pgrep</a></li><li class="expanded "><a href="../monitor/pmap.html"><strong aria-hidden="true">2.4.</strong> pmap</a></li><li class="expanded "><a href="../monitor/pstack.html"><strong aria-hidden="true">2.5.</strong> pstack</a></li></ol></li><li class="expanded "><a href="../trace_profile/index.html"><strong aria-hidden="true">3.</strong> Trace and Profile</a></li><li><ol class="section"><li class="expanded "><a href="../trace_profile/strace.html"><strong aria-hidden="true">3.1.</strong> strace</a></li><li class="expanded "><a href="../trace_profile/ltrace.html"><strong aria-hidden="true">3.2.</strong> ltrace</a></li><li class="expanded "><a href="../trace_profile/perf.html"><strong aria-hidden="true">3.3.</strong> perf</a></li><li class="expanded "><a href="../trace_profile/oprofile.html"><strong aria-hidden="true">3.4.</strong> OProfile</a></li><li class="expanded "><a href="../trace_profile/time.html"><strong aria-hidden="true">3.5.</strong> time</a></li></ol></li><li class="expanded "><a href="../binary/index.html"><strong aria-hidden="true">4.</strong> Binary</a></li><li><ol class="section"><li class="expanded "><a href="../binary/od.html"><strong aria-hidden="true">4.1.</strong> od</a></li><li class="expanded "><a href="../binary/xxd.html"><strong aria-hidden="true">4.2.</strong> xxd</a></li><li class="expanded "><a href="../binary/readelf.html"><strong aria-hidden="true">4.3.</strong> readelf</a></li><li class="expanded "><a href="../binary/objdump.html"><strong aria-hidden="true">4.4.</strong> objdump</a></li><li class="expanded "><a href="../binary/nm.html"><strong aria-hidden="true">4.5.</strong> nm</a></li></ol></li><li class="expanded "><a href="../development/index.html"><strong aria-hidden="true">5.</strong> Development</a></li><li><ol class="section"><li class="expanded "><a href="../development/c++filt.html"><strong aria-hidden="true">5.1.</strong> c++filt</a></li><li class="expanded "><a href="../development/c++.html"><strong aria-hidden="true">5.2.</strong> c++</a></li><li class="expanded "><a href="../development/glibc.html"><strong aria-hidden="true">5.3.</strong> glibc</a></li><li class="expanded "><a href="../development/gcc.html"><strong aria-hidden="true">5.4.</strong> gcc</a></li><li class="expanded "><a href="../development/ld.so.html"><strong aria-hidden="true">5.5.</strong> ld.so</a></li></ol></li><li class="expanded "><a href="../arch/index.html"><strong aria-hidden="true">6.</strong> Arch</a></li><li><ol class="section"><li class="expanded "><a href="../arch/x86_64.html"><strong aria-hidden="true">6.1.</strong> x86_64</a></li></ol></li></ol>
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+ </form>
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+ </ul>
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+ link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
+ });
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+
+ <div id="content" class="content">
+ <main>
+ <h1><a class="header" href="#fish1" id="fish1">fish(1)</a></h1>
+<h2><a class="header" href="#quick-info" id="quick-info">Quick Info</a></h2>
+<p>Fish initialization file <code>~/.config/fish/config.fish</code></p>
+<p>Switch between different key bindings:</p>
+<ul>
+<li><code>fish_default_key_bindings</code> to use default key bindings</li>
+<li><code>fish_vi_key_bindings</code> to use vi key bindings</li>
+</ul>
+<h2><a class="header" href="#variables" id="variables">Variables</a></h2>
+<p>Available scopes</p>
+<ul>
+<li><code>local</code> variable local to a block</li>
+<li><code>global</code> variable global to shell instance</li>
+<li><code>universal</code> variable universal to all shell instances + preserved across
+shell restart</li>
+</ul>
+<h3><a class="header" href="#setunset-variables" id="setunset-variables">Set/Unset Variables</a></h3>
+<pre><code class="language-text">set &lt;name&gt; [&lt;values&gt;]
+ -l local scope
+ -g global scope
+ -U universal scope
+ -e erase variable
+ -S show verbose info
+ -x export to ENV
+ -u unexport from ENV
+</code></pre>
+<h3><a class="header" href="#lists" id="lists">Lists</a></h3>
+<p>In <code>fish</code> all variables are lists (start with index <code>1</code>, but lists can't
+contain lists.</p>
+<pre><code class="language-text">set foo a b c d
+
+echo $foo[1] # a
+echo $foo[-1] # d
+echo $foo[2..3] # b c
+echo $foo[1 3] # a c
+</code></pre>
+<p><code>$</code> can be seen as dereference operator.</p>
+<pre><code class="language-text">set foo a; set a 1337
+echo $$foo # outputs 1337
+</code></pre>
+<p>Cartesian product.</p>
+<pre><code class="language-text">echo file.{h,cc}
+# file.h file.cc
+
+echo {a,b}{1,2}
+# a1 b1 b2
+</code></pre>
+<h3><a class="header" href="#special-variables-lists" id="special-variables-lists">Special Variables (Lists)</a></h3>
+<pre><code class="language-text">$status # exit code of last command
+$pipestatus # list of exit codes of pipe chain
+
+$CMD_DURATION # runtime of last command in ms
+</code></pre>
+<h4><a class="header" href="#path" id="path"><code>*PATH</code></a></h4>
+<p>Lists ending with <code>PATH</code> are automatically split at <code>:</code> when used and joined
+with <code>:</code> when exported to the environment.</p>
+<pre><code class="language-text">set -x BLA_PATH a:b:c:d
+echo $BLA_PATH # a b c d
+env | grep BLA_PATH # BLA_PATH=a:b:c:d
+</code></pre>
+<h2><a class="header" href="#command-handling" id="command-handling">Command Handling</a></h2>
+<pre><code class="language-text"># sub-commands are not run in quotes
+echo &quot;ls output: &quot;(ls)
+</code></pre>
+<h3><a class="header" href="#io-redirection" id="io-redirection">I/O redirection</a></h3>
+<pre><code class="language-text"># 'noclobber', fail if 'log' already exists
+echo foo &gt;? log
+</code></pre>
+<h2><a class="header" href="#control-flow" id="control-flow">Control Flow</a></h2>
+<h3><a class="header" href="#if--else" id="if--else"><code>if</code> / <code>else</code></a></h3>
+<pre><code class="language-text">if grep foo bar
+ # do sth
+else if grep foobar bar
+ # do sth else
+else
+ # do sth else
+end
+</code></pre>
+<h3><a class="header" href="#switch" id="switch"><code>switch</code></a></h3>
+<pre><code class="language-text">switch (echo foo)
+case 'foo*'
+ # do start with foo
+case bar dudel
+ # do bar and dudel
+case '*'
+ # do else
+end
+</code></pre>
+<h3><a class="header" href="#while-loop" id="while-loop"><code>while</code> Loop</a></h3>
+<pre><code class="language-text">while true
+ echo foo
+end
+</code></pre>
+<h3><a class="header" href="#for-loop" id="for-loop"><code>for</code> Loop</a></h3>
+<pre><code class="language-text">for f in (ls)
+ echo $f
+end
+</code></pre>
+<h2><a class="header" href="#functions" id="functions">Functions</a></h2>
+<p>Function arguments are passed via <code>$argv</code> list.</p>
+<pre><code class="language-text">function fn_foo
+ echo $argv
+end
+</code></pre>
+<h3><a class="header" href="#autoloading" id="autoloading">Autoloading</a></h3>
+<p>When running a command fish attempts to autoload a function. The shell looks
+for <code>&lt;cmd&gt;.fish</code> in the locations defined by <code>$fish_function_path</code> and loads
+the function lazily if found.</p>
+<p>This is the preferred way over monolithically defining all functions in a
+startup script.</p>
+<h3><a class="header" href="#helper" id="helper">Helper</a></h3>
+<pre><code class="language-text">functions # list al functions
+functions foo # describe function 'foo'
+functions -e foo # erase function 'foo'
+
+funced foo # edit function 'foo'
+ # '-e vim' to edit in vim
+</code></pre>
+<h2><a class="header" href="#prompt" id="prompt">Prompt</a></h2>
+<p>The prompt is defined by the output of the <code>fish_prompt</code> function.</p>
+<pre><code class="language-text">function fish_prompt
+ set -l cmd_ret
+ echo &quot;&gt; &quot;(pwd) $cmd_ret&quot; &quot;
+end
+</code></pre>
+<blockquote>
+<p>Use <code>set_color</code> to manipulate terminal colors.</p>
+</blockquote>
+<h2><a class="header" href="#useful-builtins" id="useful-builtins">Useful Builtins</a></h2>
+<pre><code class="language-text"># history
+history search &lt;str&gt; # search history for &lt;str&gt;
+history merge # merge histories from fish sessions
+
+# list
+count $var # count elements in list
+
+# string
+string split SEP STRING
+</code></pre>
+<h2><a class="header" href="#keymaps" id="keymaps">Keymaps</a></h2>
+<pre><code class="language-text"> Shift-Tab ........... tab-completion with search
+ Alt-Up / Alt-Down ... search history with token under the cursor
+ Alt-l ............... list content of dir under cursor
+ Alt-p ............... append '2&gt;&amp;1 | less;' to current cmdline
+</code></pre>
+<h2><a class="header" href="#debug" id="debug">Debug</a></h2>
+<pre><code class="language-text"> status print-stack-trace .. prints function stacktrace (can be used in scripts)
+ breakpoint ................ halt script execution and gives shell (C-d | exit
+ to continue)
+</code></pre>
+
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+ <h1><a class="header" href="#gdb1" id="gdb1">gdb(1)</a></h1>
+<h1><a class="header" href="#cli" id="cli">CLI</a></h1>
+<pre><code class="language-markdown"> gdb [opts] [prg [-c coredump | -p pid]]
+ gdb [opts] --args prg &lt;prg-args&gt;
+ opts:
+ -p &lt;pid&gt; attach to pid
+ -c &lt;coredump&gt; use &lt;coredump&gt;
+ -x &lt;file&gt; execute script &lt;file&gt; before prompt
+ -ex &lt;cmd&gt; execute command &lt;cmd&gt; before prompt
+ --tty &lt;tty&gt; set I/O tty for debugee
+</code></pre>
+<h1><a class="header" href="#interactive-usage" id="interactive-usage">Interactive usage</a></h1>
+<pre><code class="language-markdown"> tty &lt;tty&gt;
+ Set &lt;tty&gt; as tty for debugee.
+ Make sure nobody reads from target tty, easiest is to spawn a shell
+ and run following in target tty:
+ &gt; while true; do sleep 1024; done
+
+ set follow-fork-mode &lt;child | parent&gt;
+ Specify which process to follow when debuggee makes a fork(2)
+ syscall.
+
+ sharedlibrary [&lt;regex&gt;]
+ Load symbols of shared libs loaded by debugee. Optionally use &lt;regex&gt;
+ to filter libs for symbol loading.
+
+ break [-qualified] &lt;sym&gt; thread &lt;tnum&gt;
+ Set a breakpoint only for a specific thread.
+ -qualified: Tred &lt;sym&gt; as fully qualified symbol (quiet handy to set
+ breakpoints on C symbols in C++ contexts)
+
+ rbreak &lt;regex&gt;
+ Set breakpoints matching &lt;regex&gt;, where matching internally is done
+ on: .*&lt;regex&gt;.*
+
+ command [&lt;bp_list&gt;]
+ Define commands to run after breakpoint hit. If &lt;bp_list&gt; is not
+ specified attach command to last created breakpoint. Command block
+ terminated with 'end' token.
+
+ &lt;bp_list&gt;: Space separates list, eg 'command 2 5-8' to run command
+ for breakpoints: 2,5,6,7,8.
+
+ info functions [&lt;regex&gt;]
+ List functions matching &lt;regex&gt;. List all functions if no &lt;regex&gt;
+ provided.
+
+ info variables [&lt;regex&gt;]
+ List variables matching &lt;regex&gt;. List all variables if no &lt;regex&gt;
+ provided.
+
+ info handle [&lt;signal&gt;]
+ Print how to handle &lt;signal&gt;. If no &lt;signal&gt; specified print for all
+ signals.
+
+ handle &lt;signal&gt; &lt;action&gt;
+ Configure how gdb handles &lt;signal&gt; sent to debugee.
+ &lt;action&gt;:
+ stop/nostop Catch signal in gdb and break.
+ print/noprint Print message when gdb catches signal.
+ pass/nopass Pass signal down to debugee.
+
+ catch signal &lt;signal&gt;
+ Create a catchpoint for &lt;signal&gt;.
+</code></pre>
+<h1><a class="header" href="#user-commands-macros" id="user-commands-macros">User commands (macros)</a></h1>
+<p>Gdb allows to create &amp; document user commands as follows:</p>
+<pre><code class="language-markdown"> define &lt;cmd&gt;
+ # cmds
+ end
+
+ document &lt;cmd&gt;
+ # docu
+ end
+</code></pre>
+<p>To get all user commands or documentations one can use:</p>
+<pre><code class="language-markdown"> help user-defined
+ help &lt;cmd&gt;
+</code></pre>
+<h1><a class="header" href="#hooks" id="hooks">Hooks</a></h1>
+<p>Gdb allows to create two types of command <code>hooks</code></p>
+<ul>
+<li><code>hook-</code> will be run before <code>&lt;cmd&gt;</code></li>
+<li><code>hookpost-</code> will be run after <code>&lt;cmd&gt;</code></li>
+</ul>
+<pre><code class="language-markdown"> define hook-&lt;cmd&gt;
+ # cmds
+ end
+
+ define hookpost-&lt;cmd&gt;
+ # cmds
+ end
+</code></pre>
+<h1><a class="header" href="#examples" id="examples">Examples</a></h1>
+<h2><a class="header" href="#catch-sigsegv-and-execute-commands" id="catch-sigsegv-and-execute-commands">Catch SIGSEGV and execute commands</a></h2>
+<p>This creates a <code>catchpoint</code> for the <code>SIGSEGV</code> signal and attached the <code>command</code>
+to it.</p>
+<pre><code class="language-markdown"> catch signal SIGSEGV
+ command
+ bt
+ c
+ end
+</code></pre>
+<h2><a class="header" href="#run-backtrace-on-thread-1-batch-mode" id="run-backtrace-on-thread-1-batch-mode">Run <code>backtrace</code> on thread 1 (batch mode)</a></h2>
+<pre><code class="language-markdown"> gdb --batch -ex 'thread 1' -ex 'bt' -p &lt;pid&gt;
+</code></pre>
+<h2><a class="header" href="#script-gdb-for-automating-debugging-sessions" id="script-gdb-for-automating-debugging-sessions">Script gdb for automating debugging sessions</a></h2>
+<p>To script gdb add commands into a file and pass it to gdb via <code>-x</code>.
+For example create <code>run.gdb</code>:</p>
+<pre><code class="language-markdown"> set pagination off
+
+ break mmap
+ command
+ info reg rdi rsi rdx
+ bt
+ c
+ end
+
+ #initial drop
+ c
+</code></pre>
+<p>This script can be used as:</p>
+<pre><code class="language-markdown"> gdb --batch -x ./run.gdb -p &lt;pid&gt;
+</code></pre>
+<h1><a class="header" href="#know-bugs" id="know-bugs">Know Bugs</a></h1>
+<h2><a class="header" href="#workaround-command--finish-bug" id="workaround-command--finish-bug">Workaround <code>command + finish</code> bug</a></h2>
+<p>When using <code>finish</code> inside a <code>command</code> block, commands after <code>finish</code> are not
+executed. To workaround that bug one can create a wrapper function which calls
+<code>finish</code>.</p>
+<pre><code class="language-markdown"> define handler
+ bt
+ finish
+ info reg rax
+ end
+
+ command
+ handler
+ end
+</code></pre>
+
+ </main>
+
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+<!DOCTYPE HTML>
+<html lang="en" class="sidebar-visible no-js light">
+ <head>
+ <!-- Book generated using mdBook -->
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+ <title>git - Notes</title>
+
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+ <h1><a class="header" href="#git1" id="git1">git(1)</a></h1>
+<h2><a class="header" href="#staging" id="staging">staging</a></h2>
+<pre><code class="language-markdown"> git add -p [&lt;file&gt;] ............ partial staging (interactive)
+</code></pre>
+<h2><a class="header" href="#remote" id="remote">Remote</a></h2>
+<pre><code class="language-markdown"> git remote -v .................. list remotes verbose (with URLs)
+ git remote show [-n] &lt;remote&gt; .. list info for &lt;remote&gt; (like remote HEAD,
+ remote branches, tracking mapping)
+</code></pre>
+<h2><a class="header" href="#branching" id="branching">Branching</a></h2>
+<pre><code class="language-markdown"> git branch [-a] ................ list available branches; -a to include
+ remote branches
+ git branch -vv ................. list branch &amp; annotate with head sha1 &amp;
+ remote tracking branch
+ git branch &lt;bname&gt; ............. create branch with name &lt;bname&gt;
+ git checkout &lt;bname&gt; ........... switch to branch with name &lt;bname&gt;
+ git checkout --track &lt;branch&gt; .. start to locally track a remote branch
+ git push -u origin &lt;rbname&gt; .... push branch to origin (or other remote), and
+ setup &lt;rbname&gt; as tracking branch
+</code></pre>
+<h2><a class="header" href="#resetting" id="resetting">Resetting</a></h2>
+<pre><code class="language-markdown"> git reset [opt] &lt;ref|commit&gt;
+ opt:
+ --mixed .................... resets index, but not working tree
+ --hard ..................... matches the working tree and index to that
+ of the tree being switched to any changes to
+ tracked files in the working tree since
+ &lt;commit&gt; are lost
+ git reset HEAD &lt;file&gt; .......... remove file from staging
+ git reset --soft HEAD~1 ........ delete most recent commit but keep work
+ git reset --hard HEAD~1 ........ delete most recent commit and delete work
+</code></pre>
+<h2><a class="header" href="#tags" id="tags">Tags</a></h2>
+<pre><code class="language-markdown"> git tag -a &lt;tname&gt; -m &quot;descr&quot; ........ creates an annotated tag (full object
+ containing tagger, date, ...)
+ git tag -l ........................... list available tags
+ git checkout tag/&lt;tname&gt; ............. checkout specific tag
+ git checkout tag/&lt;tname&gt; -b &lt;bname&gt; .. checkout specific tag in a new branch
+</code></pre>
+<h2><a class="header" href="#diff" id="diff">Diff</a></h2>
+<pre><code class="language-markdown"> git diff HEAD:&lt;fname&gt; origin/HEAD:&lt;fname&gt; ... diff files for different refs
+ git diff -U$(wc -l &lt;fname&gt;) &lt;fname&gt; ......... shows complete file with diffs
+ instead of usual diff snippets
+</code></pre>
+<h2><a class="header" href="#log" id="log">Log</a></h2>
+<pre><code class="language-markdown"> git log --oneline .... shows log in single line per commit -&gt; alias for
+ '--pretty=oneline --abbrev-commit'
+ git log --graph ...... text based graph of commit history
+ git log --decorate ... decorate log with REFs
+</code></pre>
+<h2><a class="header" href="#file-history" id="file-history">File history</a></h2>
+<pre><code class="language-markdown"> git log -p &lt;file&gt; ......... show commit history + diffs for &lt;file&gt;
+ git log --oneline &lt;file&gt; .. show commit history for &lt;file&gt; in compact format
+</code></pre>
+<h2><a class="header" href="#patching" id="patching">Patching</a></h2>
+<pre><code class="language-markdown"> git format-patch &lt;opt&gt; &lt;since&gt;/&lt;revision range&gt;
+ opt:
+ -N ................... use [PATCH] instead [PATCH n/m] in subject when
+ generating patch description (for patches spanning
+ multiple commits)
+ --start-number &lt;n&gt; ... start output file generation with &lt;n&gt; as start
+ number instead '1'
+ since spcifier:
+ -3 .................. e.g: create a patch from last three commits
+ &lt;commit hash&gt; ....... create patch with commits starting after &lt;commit hash&gt;
+
+ git am &lt;patch&gt; ......... apply patch and create a commit for it
+
+ git apply --stat &lt;PATCH&gt; ... see which files the patch would change
+ git apply --check &lt;PATCH&gt; .. see if the patch can be applied cleanly
+ git apply &lt;PATCH&gt; .......... apply the patch locally without creating a commit
+
+ # eg: generate patches for each commit from initial commit on
+ git format-patch -N $(git rev-list --max-parents=0 HEAD)
+
+ # generate single patch file from a certain commit/ref
+ git format-patch &lt;COMMIT/REF&gt; --stdout &gt; my-patch.patch
+</code></pre>
+<h2><a class="header" href="#submodules" id="submodules">Submodules</a></h2>
+<pre><code class="language-markdown"> git submodule add &lt;url&gt; [&lt;path&gt;] .......... add new submodule to current project
+ git clone --recursive &lt;url&gt; ............... clone project and recursively all
+ submodules (same as using
+ 'git submodule update --init
+ --recursive' after clone)
+ git submodule update --init --recursive ... checkout submodules recursively
+ using the commit listed in the
+ super-project (in detached HEAD)
+ git submodule update --remote &lt;submod&gt; .... fetch &amp; merge remote changes for
+ &lt;submod&gt;, this will pull
+ origin/HEAD or a branch specified
+ for the submodule
+ git diff --submodule ...................... show commits that are part of the
+ submodule diff
+</code></pre>
+<h2><a class="header" href="#inspection" id="inspection">Inspection</a></h2>
+<pre><code class="language-markdown"> git ls-tree [-r] &lt;ref&gt; .... show git tree for &lt;ref&gt;, -r to recursively ls sub-trees
+ git show &lt;obj&gt; ............ show &lt;obj&gt;
+ git cat-file -p &lt;obj&gt; ..... print content of &lt;obj&gt;
+</code></pre>
+<h2><a class="header" href="#revision-specifier" id="revision-specifier">Revision Specifier</a></h2>
+<pre><code class="language-markdown"> HEAD ........ last commit
+ HEAD~1 ...... last commit-1
+ HEAD~N ...... last commit-N (linear backwards when in tree structure, check
+ difference between HEAD^ and HEAD~)
+ git rev-list --max-parents=0 HEAD ........... first commit
+</code></pre>
+
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+<li><a href="./tmux.html">tmux</a></li>
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diff --git a/tools/radare2.html b/tools/radare2.html
new file mode 100644
index 0000000..5a48eff
--- /dev/null
+++ b/tools/radare2.html
@@ -0,0 +1,238 @@
+<!DOCTYPE HTML>
+<html lang="en" class="sidebar-visible no-js light">
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+ <title>radare2 - Notes</title>
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+ <script type="text/javascript">
+ var path_to_root = "../";
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+ <nav id="sidebar" class="sidebar" aria-label="Table of contents">
+ <div id="sidebar-scrollbox" class="sidebar-scrollbox">
+ <ol class="chapter"><li class="expanded "><a href="../tools/index.html"><strong aria-hidden="true">1.</strong> Tools</a></li><li><ol class="section"><li class="expanded "><a href="../tools/zsh.html"><strong aria-hidden="true">1.1.</strong> zsh</a></li><li class="expanded "><a href="../tools/bash.html"><strong aria-hidden="true">1.2.</strong> bash</a></li><li class="expanded "><a href="../tools/fish.html"><strong aria-hidden="true">1.3.</strong> fish</a></li><li class="expanded "><a href="../tools/tmux.html"><strong aria-hidden="true">1.4.</strong> tmux</a></li><li class="expanded "><a href="../tools/git.html"><strong aria-hidden="true">1.5.</strong> git</a></li><li class="expanded "><a href="../tools/awk.html"><strong aria-hidden="true">1.6.</strong> awk</a></li><li class="expanded "><a href="../tools/emacs.html"><strong aria-hidden="true">1.7.</strong> emacs</a></li><li class="expanded "><a href="../tools/gdb.html"><strong aria-hidden="true">1.8.</strong> gdb</a></li><li class="expanded "><a href="../tools/radare2.html" class="active"><strong aria-hidden="true">1.9.</strong> radare2</a></li></ol></li><li class="expanded "><a href="../monitor/index.html"><strong aria-hidden="true">2.</strong> Resource analysis &amp; monitor</a></li><li><ol class="section"><li class="expanded "><a href="../monitor/lsof.html"><strong aria-hidden="true">2.1.</strong> lsof</a></li><li class="expanded "><a href="../monitor/pidstat.html"><strong aria-hidden="true">2.2.</strong> pidstat</a></li><li class="expanded "><a href="../monitor/pgrep.html"><strong aria-hidden="true">2.3.</strong> pgrep</a></li><li class="expanded "><a href="../monitor/pmap.html"><strong aria-hidden="true">2.4.</strong> pmap</a></li><li class="expanded "><a href="../monitor/pstack.html"><strong aria-hidden="true">2.5.</strong> pstack</a></li></ol></li><li class="expanded "><a href="../trace_profile/index.html"><strong aria-hidden="true">3.</strong> Trace and Profile</a></li><li><ol class="section"><li class="expanded "><a href="../trace_profile/strace.html"><strong aria-hidden="true">3.1.</strong> strace</a></li><li class="expanded "><a href="../trace_profile/ltrace.html"><strong aria-hidden="true">3.2.</strong> ltrace</a></li><li class="expanded "><a href="../trace_profile/perf.html"><strong aria-hidden="true">3.3.</strong> perf</a></li><li class="expanded "><a href="../trace_profile/oprofile.html"><strong aria-hidden="true">3.4.</strong> OProfile</a></li><li class="expanded "><a href="../trace_profile/time.html"><strong aria-hidden="true">3.5.</strong> time</a></li></ol></li><li class="expanded "><a href="../binary/index.html"><strong aria-hidden="true">4.</strong> Binary</a></li><li><ol class="section"><li class="expanded "><a href="../binary/od.html"><strong aria-hidden="true">4.1.</strong> od</a></li><li class="expanded "><a href="../binary/xxd.html"><strong aria-hidden="true">4.2.</strong> xxd</a></li><li class="expanded "><a href="../binary/readelf.html"><strong aria-hidden="true">4.3.</strong> readelf</a></li><li class="expanded "><a href="../binary/objdump.html"><strong aria-hidden="true">4.4.</strong> objdump</a></li><li class="expanded "><a href="../binary/nm.html"><strong aria-hidden="true">4.5.</strong> nm</a></li></ol></li><li class="expanded "><a href="../development/index.html"><strong aria-hidden="true">5.</strong> Development</a></li><li><ol class="section"><li class="expanded "><a href="../development/c++filt.html"><strong aria-hidden="true">5.1.</strong> c++filt</a></li><li class="expanded "><a href="../development/c++.html"><strong aria-hidden="true">5.2.</strong> c++</a></li><li class="expanded "><a href="../development/glibc.html"><strong aria-hidden="true">5.3.</strong> glibc</a></li><li class="expanded "><a href="../development/gcc.html"><strong aria-hidden="true">5.4.</strong> gcc</a></li><li class="expanded "><a href="../development/ld.so.html"><strong aria-hidden="true">5.5.</strong> ld.so</a></li></ol></li><li class="expanded "><a href="../arch/index.html"><strong aria-hidden="true">6.</strong> Arch</a></li><li><ol class="section"><li class="expanded "><a href="../arch/x86_64.html"><strong aria-hidden="true">6.1.</strong> x86_64</a></li></ol></li></ol>
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+ <h1 class="menu-title">Notes</h1>
+
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+ <i id="print-button" class="fa fa-print"></i>
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+ <main>
+ <h1><a class="header" href="#radare21" id="radare21">radare2(1)</a></h1>
+<h2><a class="header" href="#print" id="print">print</a></h2>
+<pre><code class="language-markdown">
+ pd &lt;n&gt; [@ &lt;addr&gt;] # print disassembly for &lt;n&gt; instructions
+ # with optional temporary seek to &lt;addr&gt;
+</code></pre>
+<h2><a class="header" href="#flags" id="flags">flags</a></h2>
+<pre><code class="language-markdown"> fs # list flag-spaces
+ fs &lt;fs&gt; # select flag-space &lt;fs&gt;
+ f # print flags of selected flag-space
+</code></pre>
+<h2><a class="header" href="#help" id="help">help</a></h2>
+<pre><code class="language-markdown"> ?*~&lt;kw&gt; # '?*' list all commands and '~' grep for &lt;kw&gt;
+ ?*~... # '..' less mode /'...' interactive search
+</code></pre>
+<h2><a class="header" href="#relocation" id="relocation">relocation</a></h2>
+<pre><code class="language-markdown"> &gt; r2 -B &lt;baddr&gt; &lt;exe&gt; # open &lt;exe&gt; mapped to addr &lt;baddr&gt;
+ oob &lt;addr&gt; # reopen current file at &lt;baddr&gt;
+</code></pre>
+
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+
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diff --git a/tools/tmux.html b/tools/tmux.html
new file mode 100644
index 0000000..30634f5
--- /dev/null
+++ b/tools/tmux.html
@@ -0,0 +1,316 @@
+<!DOCTYPE HTML>
+<html lang="en" class="sidebar-visible no-js light">
+ <head>
+ <!-- Book generated using mdBook -->
+ <meta charset="UTF-8">
+ <title>tmux - Notes</title>
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+ <meta name="theme-color" content="#ffffff" />
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+ <link href="https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet" type="text/css">
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+
+ <!-- Highlight.js Stylesheets -->
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+ var path_to_root = "../";
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+ var sidebar = localStorage.getItem('mdbook-sidebar');
+
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+ localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
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+ try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
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+ html.classList.remove('no-js')
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+ <main>
+ <h1><a class="header" href="#tmux1" id="tmux1">tmux(1)</a></h1>
+<p>Terminology:</p>
+<ul>
+<li><code>session</code> is a collection of pseudo terminals which can have multiple
+<code>windows</code></li>
+<li><code>window</code> uses the entire screen and can be split into rectangular <code>panes</code></li>
+<li><code>pane</code> is a single pseudo terminal instance</li>
+</ul>
+<h1><a class="header" href="#tmux-cli" id="tmux-cli">Tmux cli</a></h1>
+<pre><code class="language-markdown"># Session
+tmux creates new session
+tmux ls list running sessions
+tmux kill-session -t &lt;s&gt; kill running session &lt;s&gt;
+tmux attach -t &lt;s&gt; [-d] attach to session &lt;s&gt;, detach other clients [-d]
+tmux detach -s &lt;s&gt; detach all clients from session &lt;s&gt;
+
+# Environment
+tmux showenv -g show global tmux environment variables
+tmux setenv -g &lt;var&gt; &lt;val&gt; set variable in global tmux env
+
+# Misc
+tmux source-file &lt;file&gt; source config &lt;file&gt;
+tmux lscm list available tmux commnds
+tmux show -g show global tmux options
+tmux display &lt;msg&gt; display message in tmux status line
+</code></pre>
+<h2><a class="header" href="#scripting" id="scripting">Scripting</a></h2>
+<pre><code class="language-markdown"># Session
+tmux list-sessions -F '#S' list running sessions, only IDs
+
+# Window
+tmux list-windows -F '#I' -t &lt;s&gt; list window IDs for session &lt;s&gt;
+tmux selectw -t &lt;s&gt;:&lt;w&gt; select window &lt;w&gt; in session &lt;s&gt;
+
+# Pane
+tmux list-panes -F '#P' -t &lt;s&gt;:&lt;w&gt; list pane IDs for window &lt;w&gt; in session &lt;s&gt;
+tmux selectp -t &lt;s&gt;:&lt;w&gt;.&lt;p&gt; select pane &lt;p&gt; in window &lt;w&gt; in session &lt;s&gt;
+
+# Run commands
+tmux send -t &lt;s&gt;:&lt;w&gt;.&lt;p&gt; &quot;ls&quot; C-m send cmds/keys to pane
+tmux run -t &lt;p&gt; &lt;sh-cmd&gt; run shell command &lt;sh-cmd&gt; in background and report output on pane -t &lt;p&gt;
+</code></pre>
+<p>For example cycle through all panes in all windows in all sessions:</p>
+<pre><code class="language-bash"># bash
+for s in $(tmux list-sessions -F '#S'); do
+ for w in $(tmux list-windows -F '#I' -t $s); do
+ for p in $(tmux list-panes -F '#P' -t $s:$w); do
+ echo $s:$w.$p
+ done
+ done
+done
+</code></pre>
+<h1><a class="header" href="#bindings" id="bindings">Bindings</a></h1>
+<pre><code class="language-markdown">prefix d detach from current session
+prefix c create new window
+prefix w open window list
+prefix $ rename session
+prefix , rename window
+prefix . move current window
+</code></pre>
+<p>Following bindings are specific to my <a href="https://github.com/johannst/dotfiles/blob/master/tmux.conf"><code>tmux.conf</code></a>:</p>
+<pre><code class="language-markdown">C-s prefix
+
+# Panes
+prefix s horizontal split
+prefix v vertical split
+prefix f toggle maximize/minimize current pane
+
+# Movement
+prefix Tab toggle between window
+
+prefix h move to pane left
+prefix j move to pane down
+prefix k move to pane up
+prefix l move to pane right
+
+# Resize
+prefix C-h resize pane left
+prefix C-j resize pane down
+prefix C-k resize pane up
+prefix C-l resize pane right
+
+# Copy/Paste
+prefix C-v enter copy mode
+prefix C-p paste yanked text
+prefix C-b open copy-buffer list
+
+# In Copy Mode
+v enable visual mode
+y yank selected text
+</code></pre>
+<h1><a class="header" href="#command-mode" id="command-mode">Command mode</a></h1>
+<p>To enter command mode <code>prefix :</code>.</p>
+<p>Some useful commands are:</p>
+<pre><code class="language-markdown">setw synchronize-panes on/off enables/disables synchronized input to all panes
+list-keys -t vi-copy list keymaps for vi-copy mode
+</code></pre>
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+ <ol class="chapter"><li class="expanded "><a href="../tools/index.html"><strong aria-hidden="true">1.</strong> Tools</a></li><li><ol class="section"><li class="expanded "><a href="../tools/zsh.html" class="active"><strong aria-hidden="true">1.1.</strong> zsh</a></li><li class="expanded "><a href="../tools/bash.html"><strong aria-hidden="true">1.2.</strong> bash</a></li><li class="expanded "><a href="../tools/fish.html"><strong aria-hidden="true">1.3.</strong> fish</a></li><li class="expanded "><a href="../tools/tmux.html"><strong aria-hidden="true">1.4.</strong> tmux</a></li><li class="expanded "><a href="../tools/git.html"><strong aria-hidden="true">1.5.</strong> git</a></li><li class="expanded "><a href="../tools/awk.html"><strong aria-hidden="true">1.6.</strong> awk</a></li><li class="expanded "><a href="../tools/emacs.html"><strong aria-hidden="true">1.7.</strong> emacs</a></li><li class="expanded "><a href="../tools/gdb.html"><strong aria-hidden="true">1.8.</strong> gdb</a></li><li class="expanded "><a href="../tools/radare2.html"><strong aria-hidden="true">1.9.</strong> radare2</a></li></ol></li><li class="expanded "><a href="../monitor/index.html"><strong aria-hidden="true">2.</strong> Resource analysis &amp; monitor</a></li><li><ol class="section"><li class="expanded "><a href="../monitor/lsof.html"><strong aria-hidden="true">2.1.</strong> lsof</a></li><li class="expanded "><a href="../monitor/pidstat.html"><strong aria-hidden="true">2.2.</strong> pidstat</a></li><li class="expanded "><a href="../monitor/pgrep.html"><strong aria-hidden="true">2.3.</strong> pgrep</a></li><li class="expanded "><a href="../monitor/pmap.html"><strong aria-hidden="true">2.4.</strong> pmap</a></li><li class="expanded "><a href="../monitor/pstack.html"><strong aria-hidden="true">2.5.</strong> pstack</a></li></ol></li><li class="expanded "><a href="../trace_profile/index.html"><strong aria-hidden="true">3.</strong> Trace and Profile</a></li><li><ol class="section"><li class="expanded "><a href="../trace_profile/strace.html"><strong aria-hidden="true">3.1.</strong> strace</a></li><li class="expanded "><a href="../trace_profile/ltrace.html"><strong aria-hidden="true">3.2.</strong> ltrace</a></li><li class="expanded "><a href="../trace_profile/perf.html"><strong aria-hidden="true">3.3.</strong> perf</a></li><li class="expanded "><a href="../trace_profile/oprofile.html"><strong aria-hidden="true">3.4.</strong> OProfile</a></li><li class="expanded "><a href="../trace_profile/time.html"><strong aria-hidden="true">3.5.</strong> time</a></li></ol></li><li class="expanded "><a href="../binary/index.html"><strong aria-hidden="true">4.</strong> Binary</a></li><li><ol class="section"><li class="expanded "><a href="../binary/od.html"><strong aria-hidden="true">4.1.</strong> od</a></li><li class="expanded "><a href="../binary/xxd.html"><strong aria-hidden="true">4.2.</strong> xxd</a></li><li class="expanded "><a href="../binary/readelf.html"><strong aria-hidden="true">4.3.</strong> readelf</a></li><li class="expanded "><a href="../binary/objdump.html"><strong aria-hidden="true">4.4.</strong> objdump</a></li><li class="expanded "><a href="../binary/nm.html"><strong aria-hidden="true">4.5.</strong> nm</a></li></ol></li><li class="expanded "><a href="../development/index.html"><strong aria-hidden="true">5.</strong> Development</a></li><li><ol class="section"><li class="expanded "><a href="../development/c++filt.html"><strong aria-hidden="true">5.1.</strong> c++filt</a></li><li class="expanded "><a href="../development/c++.html"><strong aria-hidden="true">5.2.</strong> c++</a></li><li class="expanded "><a href="../development/glibc.html"><strong aria-hidden="true">5.3.</strong> glibc</a></li><li class="expanded "><a href="../development/gcc.html"><strong aria-hidden="true">5.4.</strong> gcc</a></li><li class="expanded "><a href="../development/ld.so.html"><strong aria-hidden="true">5.5.</strong> ld.so</a></li></ol></li><li class="expanded "><a href="../arch/index.html"><strong aria-hidden="true">6.</strong> Arch</a></li><li><ol class="section"><li class="expanded "><a href="../arch/x86_64.html"><strong aria-hidden="true">6.1.</strong> x86_64</a></li></ol></li></ol>
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+ <h1><a class="header" href="#zsh1" id="zsh1">zsh(1)</a></h1>
+<h2><a class="header" href="#keybindings" id="keybindings">Keybindings</a></h2>
+<p>Change input mode:</p>
+<pre><code class="language-zsh">bindkey -v change to vi keymap
+bindkey -e change to emacs keymap
+</code></pre>
+<p>Define key-mappings:</p>
+<pre><code class="language-zsh">bindkey list mappings in current keymap
+bindkey in-str cmd create mapping for `in-str` to `cmd`
+bindkey -r in-str remove binding for `in-str`
+
+# C-v &lt;key&gt; dump &lt;key&gt; code, which can be used in `in-str`
+# zle -l list all functions for keybindings
+# man zshzle(1) STANDARD WIDGETS: get description of functions
+</code></pre>
+<h2><a class="header" href="#completion" id="completion">Completion</a></h2>
+<h3><a class="header" href="#installation" id="installation">Installation</a></h3>
+<p>Completion functions are provided via files and need to be placed in a location
+covered by <code>$fpath</code>. By convention the completion files are names as <code>_&lt;CMD&gt;</code>.</p>
+<p>A completion skeleton for the command <code>foo</code>, stored in <code>_foo</code></p>
+<pre><code class="language-zsh">#compdef _foo foo
+
+function _foo() {
+ ...
+}
+</code></pre>
+<p>Alternatively one can install a completion function explicitly by calling <code>compdef &lt;FUNC&gt; &lt;CMD&gt;</code>.</p>
+<h3><a class="header" href="#completion-variables" id="completion-variables">Completion Variables</a></h3>
+<p>Following variables are available in Completion functions:</p>
+<pre><code class="language-zsh">$words # array with command line in words
+$#words # number words
+$CURRENT # index into $words for cursor position
+$words[CURRENT-1] # previous word (relative to cursor position)
+</code></pre>
+<h3><a class="header" href="#completion-functions" id="completion-functions">Completion Functions</a></h3>
+<ul>
+<li><code>_describe</code> simple completion, just words + description</li>
+<li><code>_arguments</code> sophisticated completion, allow to specify actions</li>
+</ul>
+<h4><a class="header" href="#completion-with-a-hrefhttpzshsourceforgenetdocreleasecompletion-systemhtmlcompletion-functions_describea" id="completion-with-a-hrefhttpzshsourceforgenetdocreleasecompletion-systemhtmlcompletion-functions_describea">Completion with <a href="http://zsh.sourceforge.net/Doc/Release/Completion-System.html#Completion-Functions"><code>_describe</code></a></a></h4>
+<pre><code class="language-zsh">_describe MSG COMP
+</code></pre>
+<ul>
+<li><code>MSG</code> simple string with header message</li>
+<li><code>COMP</code> array of completions where each entry is <code>&quot;opt:description&quot;</code></li>
+</ul>
+<pre><code class="language-zsh">function _foo() {
+ local -a opts
+ opts=('bla:desc for bla' 'blu:desc for blu')
+ _describe 'foo-msg' opts
+}
+compdef _foo foo
+
+foo &lt;TAB&gt;&lt;TAB&gt;
+ -- foo-msg --
+bla -- desc for bla
+blu -- desc for blu
+</code></pre>
+<h4><a class="header" href="#completion-with-a-hrefhttpzshsourceforgenetdocreleasecompletion-systemhtmlcompletion-functions_argumentsa" id="completion-with-a-hrefhttpzshsourceforgenetdocreleasecompletion-systemhtmlcompletion-functions_argumentsa">Completion with <a href="http://zsh.sourceforge.net/Doc/Release/Completion-System.html#Completion-Functions"><code>_arguments</code></a></a></h4>
+<pre><code class="language-zsh">_arguments SPEC [SPEC...]
+</code></pre>
+<p>where <code>SPEC</code> can have one of the following forms:</p>
+<ul>
+<li><code>OPT[DESC]:MSG:ACTION</code></li>
+<li><code>N:MSG:ACTION</code></li>
+</ul>
+<p>Available actions</p>
+<pre><code class="language-zsh">(op1 op2) list possible matches
+-&gt;VAL set $state=VAL and continue, `$state` can be checked later in switch case
+FUNC call func to generate matches
+{STR} evaluate `STR` to generate matches
+</code></pre>
+<h3><a class="header" href="#example" id="example">Example</a></h3>
+<p>Skeleton to copy/paste for writing simple completions.</p>
+<p>Assume a program <code>foo</code> with the following interface:</p>
+<pre><code class="language-zsh">foo -c green|red|blue -s low|high -f &lt;file&gt; -d &lt;dir&gt; -h
+</code></pre>
+<p>The completion handler could be implemented as follows in a file called <code>_foo</code>:</p>
+<pre><code class="language-zsh">#compdef _foo foo
+
+function _foo_color() {
+ local colors=()
+ colors+=('green:green color')
+ colors+=('red:red color')
+ colors+=('blue:blue color')
+ _describe &quot;color&quot; colors
+}
+
+function _foo() {
+ _arguments \
+ &quot;-c[define color]:color:-&gt;s_color&quot; \
+ &quot;-s[select sound]:color:(low high)&quot; \
+ &quot;-f[select file]:file:_files&quot; \
+ &quot;-d[select dir]:fir:_files -/&quot; \
+ &quot;-h[help]&quot;
+
+ case $state in
+ s_color) _foo_color;;
+ esac
+}
+</code></pre>
+
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