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diff --git a/cli/awk.html b/cli/awk.html new file mode 100644 index 0000000..1fa6c26 --- /dev/null +++ b/cli/awk.html @@ -0,0 +1,403 @@ +<!DOCTYPE HTML> +<html lang="en" class="light" dir="ltr"> + <head> + <!-- Book generated using mdBook --> + <meta charset="UTF-8"> + <title>awk - Notes</title> + + + <!-- Custom HTML head --> + + <meta name="description" content=""> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <meta name="theme-color" content="#ffffff"> + + <link rel="icon" href="../favicon.svg"> + <link rel="shortcut icon" href="../favicon.png"> + <link rel="stylesheet" href="../css/variables.css"> + <link rel="stylesheet" href="../css/general.css"> + <link rel="stylesheet" href="../css/chrome.css"> + <link rel="stylesheet" href="../css/print.css" media="print"> + + <!-- Fonts --> + <link rel="stylesheet" href="../FontAwesome/css/font-awesome.css"> + <link rel="stylesheet" href="../fonts/fonts.css"> + + <!-- Highlight.js Stylesheets --> + <link rel="stylesheet" href="../highlight.css"> + <link rel="stylesheet" href="../tomorrow-night.css"> + <link rel="stylesheet" href="../ayu-highlight.css"> + + <!-- Custom theme stylesheets --> + + </head> + <body class="sidebar-visible no-js"> + <div id="body-container"> + <!-- Provide site root to javascript --> + <script> + var path_to_root = "../"; + var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? 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</script> + + <input type="checkbox" id="sidebar-toggle-anchor" class="hidden"> + + <!-- Hide / unhide sidebar before it is displayed --> + <script> + var body = document.querySelector('body'); + var sidebar = null; + var sidebar_toggle = document.getElementById("sidebar-toggle-anchor"); + if (document.body.clientWidth >= 1080) { + try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { } + sidebar = sidebar || 'visible'; + } else { + sidebar = 'hidden'; + } + sidebar_toggle.checked = sidebar === 'visible'; + body.classList.remove('sidebar-visible'); + body.classList.add("sidebar-" + sidebar); + </script> + + <nav id="sidebar" class="sidebar" aria-label="Table of contents"> + <div class="sidebar-scrollbox"> + <ol class="chapter"><li class="chapter-item expanded affix "><a href="../intro.html">Introduction</a></li><li class="chapter-item expanded "><a href="../shells/index.html"><strong aria-hidden="true">1.</strong> Shells</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../shells/zsh.html"><strong aria-hidden="true">1.1.</strong> zsh</a></li><li class="chapter-item expanded "><a href="../shells/bash.html"><strong aria-hidden="true">1.2.</strong> bash</a></li><li class="chapter-item expanded "><a href="../shells/fish.html"><strong aria-hidden="true">1.3.</strong> fish</a></li></ol></li><li class="chapter-item expanded "><a href="../cli/index.html"><strong aria-hidden="true">2.</strong> CLI foo</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../cli/awk.html" class="active"><strong aria-hidden="true">2.1.</strong> awk</a></li><li class="chapter-item expanded "><a href="../cli/sed.html"><strong aria-hidden="true">2.2.</strong> sed</a></li><li class="chapter-item expanded "><a href="../cli/column.html"><strong aria-hidden="true">2.3.</strong> column</a></li><li class="chapter-item expanded "><a href="../cli/sort.html"><strong aria-hidden="true">2.4.</strong> sort</a></li><li class="chapter-item expanded "><a href="../cli/tr.html"><strong aria-hidden="true">2.5.</strong> tr</a></li></ol></li><li class="chapter-item expanded "><a href="../tools/index.html"><strong aria-hidden="true">3.</strong> Tools</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../tools/tmux.html"><strong aria-hidden="true">3.1.</strong> tmux</a></li><li class="chapter-item expanded "><a href="../tools/emacs.html"><strong aria-hidden="true">3.2.</strong> emacs</a></li><li class="chapter-item expanded "><a href="../tools/gpg.html"><strong aria-hidden="true">3.3.</strong> gpg</a></li><li class="chapter-item expanded "><a href="../tools/radare2.html"><strong aria-hidden="true">3.4.</strong> radare2</a></li><li class="chapter-item expanded "><a href="../tools/qemu.html"><strong aria-hidden="true">3.5.</strong> qemu</a></li><li class="chapter-item expanded "><a href="../tools/pacman.html"><strong aria-hidden="true">3.6.</strong> pacman</a></li><li class="chapter-item expanded "><a href="../tools/dot.html"><strong aria-hidden="true">3.7.</strong> dot</a></li><li class="chapter-item expanded "><a href="../tools/ffmpeg.html"><strong aria-hidden="true">3.8.</strong> ffmpeg</a></li><li class="chapter-item expanded "><a href="../tools/gnuplot.html"><strong aria-hidden="true">3.9.</strong> gnuplot</a></li><li class="chapter-item expanded "><a href="../tools/restic.html"><strong aria-hidden="true">3.10.</strong> restic</a></li></ol></li><li class="chapter-item expanded "><a href="../monitor/index.html"><strong aria-hidden="true">4.</strong> Resource analysis & monitor</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../monitor/lsof.html"><strong aria-hidden="true">4.1.</strong> lsof</a></li><li class="chapter-item expanded "><a href="../monitor/pidstat.html"><strong aria-hidden="true">4.2.</strong> pidstat</a></li><li class="chapter-item expanded "><a href="../monitor/pgrep.html"><strong aria-hidden="true">4.3.</strong> pgrep</a></li><li class="chapter-item expanded "><a href="../monitor/ps.html"><strong aria-hidden="true">4.4.</strong> ps</a></li><li class="chapter-item expanded "><a href="../monitor/pmap.html"><strong aria-hidden="true">4.5.</strong> pmap</a></li><li class="chapter-item expanded "><a href="../monitor/pstack.html"><strong aria-hidden="true">4.6.</strong> pstack</a></li></ol></li><li class="chapter-item expanded "><a href="../trace_profile/index.html"><strong aria-hidden="true">5.</strong> Trace and Profile</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../trace_profile/time.html"><strong aria-hidden="true">5.1.</strong> time</a></li><li class="chapter-item expanded "><a href="../trace_profile/strace.html"><strong aria-hidden="true">5.2.</strong> strace</a></li><li class="chapter-item expanded "><a href="../trace_profile/ltrace.html"><strong aria-hidden="true">5.3.</strong> ltrace</a></li><li class="chapter-item expanded "><a href="../trace_profile/perf.html"><strong aria-hidden="true">5.4.</strong> perf</a></li><li class="chapter-item expanded "><a href="../trace_profile/oprofile.html"><strong aria-hidden="true">5.5.</strong> OProfile</a></li><li class="chapter-item expanded "><a href="../trace_profile/callgrind.html"><strong aria-hidden="true">5.6.</strong> callgrind</a></li></ol></li><li class="chapter-item expanded "><a href="../debug/index.html"><strong aria-hidden="true">6.</strong> Debug</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../debug/gdb.html"><strong aria-hidden="true">6.1.</strong> gdb</a></li><li class="chapter-item expanded "><a href="../debug/gdbserver.html"><strong aria-hidden="true">6.2.</strong> gdbserver</a></li></ol></li><li class="chapter-item expanded "><a href="../binary/index.html"><strong aria-hidden="true">7.</strong> Binary</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../binary/od.html"><strong aria-hidden="true">7.1.</strong> od</a></li><li class="chapter-item expanded "><a href="../binary/xxd.html"><strong aria-hidden="true">7.2.</strong> xxd</a></li><li class="chapter-item expanded "><a href="../binary/readelf.html"><strong aria-hidden="true">7.3.</strong> readelf</a></li><li class="chapter-item expanded "><a href="../binary/objdump.html"><strong aria-hidden="true">7.4.</strong> objdump</a></li><li class="chapter-item expanded "><a href="../binary/nm.html"><strong aria-hidden="true">7.5.</strong> nm</a></li></ol></li><li class="chapter-item expanded "><a href="../development/index.html"><strong aria-hidden="true">8.</strong> Development</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../development/c++filt.html"><strong aria-hidden="true">8.1.</strong> c++filt</a></li><li class="chapter-item expanded "><a href="../development/c++.html"><strong aria-hidden="true">8.2.</strong> c++</a></li><li class="chapter-item expanded "><a href="../development/glibc.html"><strong aria-hidden="true">8.3.</strong> glibc</a></li><li class="chapter-item expanded "><a href="../development/gcc.html"><strong aria-hidden="true">8.4.</strong> gcc</a></li><li class="chapter-item expanded "><a href="../development/git.html"><strong aria-hidden="true">8.5.</strong> git</a></li><li class="chapter-item expanded "><a href="../development/cmake.html"><strong aria-hidden="true">8.6.</strong> cmake</a></li><li class="chapter-item expanded "><a href="../development/make.html"><strong aria-hidden="true">8.7.</strong> make</a></li><li class="chapter-item expanded "><a href="../development/ld.so.html"><strong aria-hidden="true">8.8.</strong> ld.so</a></li><li class="chapter-item expanded "><a href="../development/symbolver.html"><strong aria-hidden="true">8.9.</strong> symbol versioning</a></li><li class="chapter-item expanded "><a href="../development/python.html"><strong aria-hidden="true">8.10.</strong> python</a></li><li class="chapter-item expanded "><a href="../development/gcov.html"><strong aria-hidden="true">8.11.</strong> gcov</a></li><li class="chapter-item expanded "><a href="../development/pgo.html"><strong aria-hidden="true">8.12.</strong> pgo</a></li></ol></li><li class="chapter-item expanded "><a href="../linux/index.html"><strong aria-hidden="true">9.</strong> Linux</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../linux/systemd.html"><strong aria-hidden="true">9.1.</strong> systemd</a></li><li class="chapter-item expanded "><a href="../linux/coredump.html"><strong aria-hidden="true">9.2.</strong> coredump</a></li><li class="chapter-item expanded "><a href="../linux/ptrace_scope.html"><strong aria-hidden="true">9.3.</strong> ptrace_scope</a></li><li class="chapter-item expanded "><a href="../linux/cryptsetup.html"><strong aria-hidden="true">9.4.</strong> cryptsetup</a></li><li class="chapter-item expanded "><a href="../linux/swap.html"><strong aria-hidden="true">9.5.</strong> swap</a></li><li class="chapter-item expanded "><a href="../linux/input.html"><strong aria-hidden="true">9.6.</strong> input</a></li><li class="chapter-item expanded "><a href="../linux/acl.html"><strong aria-hidden="true">9.7.</strong> acl</a></li><li class="chapter-item expanded "><a href="../linux/zfs.html"><strong aria-hidden="true">9.8.</strong> zfs</a></li></ol></li><li class="chapter-item expanded "><a href="../network/index.html"><strong aria-hidden="true">10.</strong> Network</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../network/ss.html"><strong aria-hidden="true">10.1.</strong> ss</a></li><li class="chapter-item expanded "><a href="../network/tcpdump.html"><strong aria-hidden="true">10.2.</strong> tcpdump</a></li><li class="chapter-item expanded "><a href="../network/tshark.html"><strong aria-hidden="true">10.3.</strong> tshark</a></li><li class="chapter-item expanded "><a href="../network/firewall-cmd.html"><strong aria-hidden="true">10.4.</strong> firewall-cmd</a></li><li class="chapter-item expanded "><a href="../network/nftables.html"><strong aria-hidden="true">10.5.</strong> nftables</a></li></ol></li><li class="chapter-item expanded "><a href="../web/index.html"><strong aria-hidden="true">11.</strong> Web</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../web/html.html"><strong aria-hidden="true">11.1.</strong> html</a></li><li class="chapter-item expanded "><a href="../web/css.html"><strong aria-hidden="true">11.2.</strong> css</a></li><li class="chapter-item expanded "><a href="../web/chartjs.html"><strong aria-hidden="true">11.3.</strong> chartjs</a></li></ol></li><li class="chapter-item expanded "><a href="../arch/index.html"><strong aria-hidden="true">12.</strong> Arch</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../arch/x86_64.html"><strong aria-hidden="true">12.1.</strong> x86_64</a></li><li class="chapter-item expanded "><a href="../arch/armv8.html"><strong aria-hidden="true">12.2.</strong> armv8</a></li><li class="chapter-item expanded "><a href="../arch/arm64.html"><strong aria-hidden="true">12.3.</strong> arm64</a></li><li class="chapter-item expanded "><a href="../arch/armv7.html"><strong aria-hidden="true">12.4.</strong> armv7</a></li><li class="chapter-item expanded "><a href="../arch/riscv.html"><strong aria-hidden="true">12.5.</strong> riscv</a></li></ol></li></ol> + </div> + <div id="sidebar-resize-handle" class="sidebar-resize-handle"> + <div class="sidebar-resize-indicator"></div> + </div> + </nav> + + <!-- Track and set sidebar scroll position --> + <script> + var sidebarScrollbox = document.querySelector('#sidebar .sidebar-scrollbox'); + sidebarScrollbox.addEventListener('click', function(e) { + if (e.target.tagName === 'A') { + sessionStorage.setItem('sidebar-scroll', sidebarScrollbox.scrollTop); + } + }, { passive: true }); + var 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(Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar"> + <i class="fa fa-search"></i> + </button> + </div> + + <h1 class="menu-title">Notes</h1> + + <div class="right-buttons"> + <a href="../print.html" title="Print this book" aria-label="Print this book"> + <i id="print-button" class="fa fa-print"></i> + </a> + <a href="https://github.com/johannst/notes" title="Git repository" aria-label="Git repository"> + <i id="git-repository-button" class="fa fa-github"></i> + </a> + + </div> + </div> + + <div id="search-wrapper" class="hidden"> + <form id="searchbar-outer" class="searchbar-outer"> + <input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header"> + </form> + <div id="searchresults-outer" class="searchresults-outer hidden"> + <div id="searchresults-header" class="searchresults-header"></div> + <ul id="searchresults"> + </ul> + </div> + </div> + + <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM --> + <script> + document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible'); + document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible'); + Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) { + link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1); + }); + </script> + + <div id="content" class="content"> + <main> + <h1 id="awk1"><a class="header" href="#awk1">awk(1)</a></h1> +<pre><code class="language-markdown">awk [opt] program [input] + -F <sepstr> field separator string (can be regex) + program awk program + input file or stdin if not file given +</code></pre> +<h2 id="input-processing"><a class="header" href="#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 id="program"><a class="header" href="#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 ----> ∀ pattern matched + | | + v v +fields ----> run associated action +</code></pre> +<p>Any valid awk <code>expr</code> can be a <code>pattern</code>.</p> +<p>An example is the regex pattern <code>/abc/ { print $1 }</code> which prints the first +field if the record matches the regex <code>/abc/</code>. This form is actually a short +version for <code>$0 ~ /abc/ { print $1 }</code>, see the regex comparison operator +below.</p> +<h3 id="special-pattern"><a class="header" href="#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 id="special-variables"><a class="header" href="#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> +<li><code>NF</code> <em>number fields</em>: number of fields in the current record</li> +</ul> +<h3 id="special-statements--functions"><a class="header" href="#special-statements--functions">Special statements & functions</a></h3> +<ul> +<li> +<p><code>printf "fmt", 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>sprintf("fmt", expr, ...)</code></p> +<p>Format the expressions according to the format string. Similar as <code>printf</code>, +but this is a function and return value can be assigned to a variable.</p> +</li> +<li> +<p><code>strftime("fmt")</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> +<li> +<p><code>S ~ R</code>, <code>S !~ R</code></p> +<p>The regex comparison operator, where the former returns true if the string +<code>S</code> matches the regex <code>R</code>, and the latter is the negated form. +The regex can be either a +<a href="https://www.gnu.org/software/gawk/manual/html_node/Regexp-Usage.html">constant</a> +or <a href="https://www.gnu.org/software/gawk/manual/html_node/Computed-Regexps.html">dynamic</a> +regex.</p> +</li> +</ul> +<h2 id="examples"><a class="header" href="#examples">Examples</a></h2> +<h3 id="filter-records"><a class="header" href="#filter-records">Filter records</a></h3> +<pre><code class="language-bash">awk 'NR%2 == 0 { print $0 }' <file> +</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 id="negative-patterns"><a class="header" href="#negative-patterns">Negative patterns</a></h3> +<pre><code class="language-bash">awk '!/^#/ { print $1 }' <file> +</code></pre> +<p>Matches records not starting with <code>#</code>.</p> +<h3 id="range-patterns"><a class="header" href="#range-patterns">Range patterns</a></h3> +<pre><code class="language-bash">echo -e "a\nFOO\nb\nc\nBAR\nd" | \ + awk '/FOO/,/BAR/ { print }' +</code></pre> +<p><code>/FOO/,/BAR/</code> define a range pattern of <code>begin_pattern, end_pattern</code>. When +<code>begin_pattern</code> is matched the range is <strong>turned on</strong> and when the +<code>end_pattern</code> is matched the range is <strong>turned off</strong>. This matches every record +in the range <em>inclusive</em>.</p> +<p>An <em>exclusive</em> range must be handled explicitly, for example as follows.</p> +<pre><code class="language-bash">echo -e "a\nFOO\nb\nc\nBAR\nd" | \ + awk '/FOO/,/BAR/ { if (!($1 ~ "FOO") && !($1 ~ "BAR")) { print } }' +</code></pre> +<h3 id="access-last-fields-in-records"><a class="header" href="#access-last-fields-in-records">Access last fields in records</a></h3> +<pre><code class="language-bash">echo 'a b c d e f' | awk '{ print $NF $(NF-1) }' +</code></pre> +<p>Access last fields with arithmetic on the <code>NF</code> number of fields variable.</p> +<h3 id="split-on-multiple-tokens"><a class="header" href="#split-on-multiple-tokens">Split on multiple tokens</a></h3> +<pre><code class="language-bash">echo 'a,b;c:d' | awk -F'[,;:]' '{ printf "1=%s | 4=%s\n", $1, $4 }' +</code></pre> +<p>Use regex as field separator.</p> +<h3 id="capture-in-variables"><a class="header" href="#capture-in-variables">Capture in variables</a></h3> +<pre><code class="language-bash"># /proc/<pid>/status +# Name: cat +# ... +# VmRSS: 516 kB +# ... + +for f in /proc/*/status; do + cat $f | awk ' + /^VmRSS/ { rss = $2/1024 } + /^Name/ { name = $2 } + END { printf "%16s %6d MB\n", 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 id="capture-in-array"><a class="header" href="#capture-in-array">Capture in array</a></h3> +<pre><code class="language-bash">echo 'a 10 +b 2 +b 4 +a 1' | awk '{ + vals[$1] += $2 + cnts[$1] += 1 +} +END { + for (v in vals) + printf "%s %d\n", v, vals[v] / cnts [v] +}' +</code></pre> +<p>Capture keys and values from different columns and some up the values. +At the <code>END</code> we compute the average of each key.</p> +<h3 id="run-shell-command-and-capture-output"><a class="header" href="#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/ { + "ps --no-header -o user " $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> + + </main> + + <nav class="nav-wrapper" aria-label="Page navigation"> + <!-- Mobile navigation buttons --> + <a rel="prev" href="../cli/index.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + <a rel="next prefetch" href="../cli/sed.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + + <div style="clear: both"></div> + </nav> + </div> + </div> + + <nav class="nav-wide-wrapper" aria-label="Page navigation"> + <a rel="prev" href="../cli/index.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + <a rel="next prefetch" href="../cli/sed.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + </nav> + + </div> + + + + + <script> + window.playground_copyable = true; + </script> + + + <script src="../elasticlunr.min.js"></script> + <script src="../mark.min.js"></script> + <script src="../searcher.js"></script> + + <script src="../clipboard.min.js"></script> + <script src="../highlight.js"></script> + <script src="../book.js"></script> + + <!-- Custom JS scripts --> + + + </div> + </body> +</html> |