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Diffstat (limited to 'print.html')
| -rw-r--r-- | print.html | 169 |
1 files changed, 147 insertions, 22 deletions
@@ -999,6 +999,8 @@ status -f # abs path of current file <li><a href="cli/./rev.html">rev</a></li> <li><a href="cli/./paste.html">paste</a></li> <li><a href="cli/./xargs.html">xargs</a></li> +<li><a href="cli/./grep.html">grep</a></li> +<li><a href="cli/./find.html">find</a></li> </ul> <div style="break-before: page; page-break-before: always;"></div><h1 id="awk1"><a class="header" href="#awk1">awk(1)</a></h1> <pre><code class="language-markdown">awk [opt] program [input] @@ -1423,6 +1425,55 @@ eval strace -f (find /dev -name 'std*' | xargs -I {} echo -P {}) ls # Both commands achieve the same thing and result in something like: # eval strace -f -P /dev/stdin -P /dev/stdout -P /dev/stderr ls </code></pre> +<div style="break-before: page; page-break-before: always;"></div><h1 id="grep1"><a class="header" href="#grep1">grep(1)</a></h1> +<pre><code>sort [opts] [pattern] [files] + -e <pattern> pattern to search for (can be supplied multiple times) + -i ignore case in patterns + -v invert match + + -n add line numbers to matched lines + -H add file name to matched lines + + -r recursively read all files + -I skip binary files + --include <glob> search only files matching glob + --exclude <glob> skip searching files matching glob + + -c count occurrence of matched patterns + -l list only file name which contain the pattern +</code></pre> +<blockquote> +<p><code><glob></code> patterns may need to be quoted or escaped if the shell also does glob expansion.</p> +</blockquote> +<div style="break-before: page; page-break-before: always;"></div><h1 id="find1"><a class="header" href="#find1">find(1)</a></h1> +<pre><code>find <start> [opts] + -maxdepth <n> maximally search n dirs deep + -type <t> match on file type + f regular file + d directory + -user <name> list files owned by username + -name <glob> list files matching glob (only filename) + -iname <glob> list files matching glob case-insensitive + + -exec <cmd> {} ; run cmd on each file + -exec <cmd> {} + run cmd with all files as argument +</code></pre> +<blockquote> +<p>Depending on the shell the <code><glob></code> must be quoted or escaped. The +exec modifier characters <code>;</code> and <code>+</code> also may need to be escaped.</p> +</blockquote> +<h3 id="example--exec-option"><a class="header" href="#example--exec-option">Example <code>-exec</code> option</a></h3> +<pre><code class="language-sh">> find . -maxdepth 1 -type d -exec echo x {} \; +# x . +# x ./.github +# x ./book +# x ./src +# x ./.git +# x ./docs + +> find . -maxdepth 1 -type d -exec echo x {} + +# x . ./.github ./book ./src ./.git ./docs +</code></pre> <div style="break-before: page; page-break-before: always;"></div><h1 id="tools"><a class="header" href="#tools">Tools</a></h1> <ul> <li><a href="tools/./tmux.html">tmux</a></li> @@ -1579,6 +1630,7 @@ sudo stty -F /dev/ttyUSB0 -a C-h c <KEY> print command bound to <KEY> C-h k <KEY> describe command bound to <KEY> C-h b list buffer local key-bindings + C-h F show emacs manual for command/function <kseq> C-h list possible key-bindings with <kseq> eg C-x C-h -> list key-bindings beginning with C-x </code></pre> @@ -1597,6 +1649,10 @@ sudo stty -F /dev/ttyUSB0 -a C-x 2 split-window-below split horizontal C-x 3 split-window-right split vertical C-x o other-window other window (cycle) + + C-x r w window-configuration-to-register + save window configuration in a register + (use C-x r j to jump to the windows config again) </code></pre> <h2 id="minibuffer"><a class="header" href="#minibuffer">minibuffer</a></h2> <pre><code class="language-markdown"> key description @@ -1616,6 +1672,7 @@ sudo stty -F /dev/ttyUSB0 -a C-x w write-file write buffer (save as) C-x b switch-to-buffer switch buffer C-x C-b list-buffers buffer list + C-x x r rename-buffer renames a buffer (allows multiple shell, compile, grep, .. buffers) </code></pre> <h2 id="ibuffer"><a class="header" href="#ibuffer">ibuffer</a></h2> <p>Builtin advanced buffer selection mode</p> @@ -1625,6 +1682,9 @@ sudo stty -F /dev/ttyUSB0 -a h ibuffer help + d mark for deletion + x kill buffers marked for deletion + o open buffer in other window C-o open buffer in other window keep focus in ibuffer @@ -1639,6 +1699,8 @@ sudo stty -F /dev/ttyUSB0 -a /m filter by major mode /n filter by buffer name /f filter by file name + /i filter by modified buffers + /E filter by process buffers // remove all filter /g create filter group @@ -1652,6 +1714,9 @@ sudo stty -F /dev/ttyUSB0 -a M-g M-p previous-error go to previous error M-g i imenu go to place in buffer (symbol, ...) + + M-< go to begin of buffer + M-> go to end of buffer </code></pre> <h2 id="isearch"><a class="header" href="#isearch">isearch</a></h2> <pre><code class="language-markdown"> key fn description @@ -1686,19 +1751,23 @@ sudo stty -F /dev/ttyUSB0 -a <pre><code class="language-markdown"> key fn description ----------------------------------- rgrep recursive grep + lgrep local dir grep + grep raw grep command find-grep run find-grep result in *grep* buffer n/p navigate next/previous match in *grep* buffer q quit *grep* buffer </code></pre> <h2 id="yankpaste"><a class="header" href="#yankpaste">yank/paste</a></h2> -<pre><code class="language-markdown"> key fn description ---------------------------------------------- - C-<SPACE> set-mark-command set start mark to select text - M-w kill-ring-save copy selected text - C-w kill-region kill selected text - C-y yank paste selected text - M-y yank-pop cycle through kill-ring (only after paste) +<pre><code class="language-markdown"> key fn description +------------------------------------------------- + C-<SPACE> set-mark-command set start mark to select text + C-x C-x exchange-point-and-mark swap mark and point position + M-w kill-ring-save copy selected text + C-w kill-region kill selected text + C-y yank paste selected text + M-y yank-pop cycle through kill-ring (only after paste) + M-y yank-from-kill-ring interactively select yank from kill ring </code></pre> <h2 id="register"><a class="header" href="#register">register</a></h2> <pre><code class="language-markdown"> key fn description @@ -1723,7 +1792,9 @@ sudo stty -F /dev/ttyUSB0 -a <pre><code class="language-markdown"> key fn description ------------------------------------------------ C-x h mark-whole-buffer mark whole buffer - delete-matching-line delete lines matching regex + delete-matching-line delete lines matchng regex + kill-matching-line kill lines matching regex (puts them in kill ring) + keep-lines keep matching lines replace-string replace unconditional M-% query-replace search & replace C-M-% query-replace-regexp search & replace regex @@ -1760,15 +1831,7 @@ sudo stty -F /dev/ttyUSB0 -a C-x p ! project-shell-command shell command on project C-x p & project-async-shell-command async shell command on project </code></pre> -<h2 id="company"><a class="header" href="#company">company</a></h2> -<pre><code class="language-markdown"> key fn description -------------------------------- - C-s search through completion candidates - C-o filter completion candidates based on search term - <f1> get doc for completion condidate - M-<digit> select completion candidate -</code></pre> -<h2 id="tags"><a class="header" href="#tags">tags</a></h2> +<h2 id="tags--lsp"><a class="header" href="#tags--lsp">tags / lsp</a></h2> <p>To generate <code>etags</code> using <code>ctags</code></p> <pre><code class="language-markdown"> ctags -R -e . generate emacs tag file (important `-e`) </code></pre> @@ -1823,11 +1886,17 @@ supports <code>fido-vertical-mode</code> in case vertical mode is preferred.</p> Y relative symbolic link d mark for deletion - m mark file/dir + m mark file/dir at point + * % mark by regex + * * mark all executables + * / mark all dirs u un-mark file/dir U un-mark all + t toggle marks x execute marked actions + ! run shell command on marked files + & run shell command on marked files (async) q quit </code></pre> @@ -1857,6 +1926,26 @@ supports <code>fido-vertical-mode</code> in case vertical mode is preferred.</p> prefix with C-u to replace region with output of the command </code></pre> +<h2 id="interactive-shell"><a class="header" href="#interactive-shell">interactive shell</a></h2> +<p>Set <code>ESHELL</code> environment variable before starting emacs to change +default shell, else customize the <code>explicit-shell-file-name</code> variable.</p> +<pre><code class="language-markdown"> key fn description +--------------------------------------------- + M-x shell start interactive shell + C-u M-x shell start interactive shell & rename + + + M-r comint-history-isearch-backward-regexp + search history, invoke at end of shell buffer + M-p comint-previous-input go one up in history + C-<UP> + M-n comint-next-input go one down in history + C-<DOWN> + + C-c C-a go begin of line (honors prompt) + C-c C-e go to end of line + C-c C-c interrupt active command +</code></pre> <div style="break-before: page; page-break-before: always;"></div><h1 id="gpg1"><a class="header" href="#gpg1">gpg(1)</a></h1> <pre><code>gpg -o|--output Specify output file @@ -2499,6 +2588,9 @@ restic -r <repo> mount --path <abspath> <mntpoint> <li><a href="https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html#sftp">sftp</a></li> </ul> <div style="break-before: page; page-break-before: always;"></div><h1 id="qrencode1"><a class="header" href="#qrencode1">qrencode(1)</a></h1> +<pre><code>qrencode + -s N pixels per feature length +</code></pre> <p>Generate wifi qr code for WPA2 secured network.</p> <pre><code class="language-sh"># Generate on terminal. qrencode -t ansiutf8 'WIFI:S:<wifiname>;T:WPA2;P:<wifipasswd>;;' @@ -4854,13 +4946,15 @@ run1: <h2 id="working-areas"><a class="header" href="#working-areas">Working areas</a></h2> <pre><code class="language-text">+-------------------+ --- stash -----> +-------+ | working directory | | stash | // Shelving area. -+-------------------+ <-- stash pop -- +-------+ +| (worktree) | <-- stash pop -- +-------+ ++-------------------+ | ^ add | | reset v | +-------------------+ | staging area | +| (index) | +-------------------+ | commit @@ -4925,7 +5019,7 @@ run1: on-top of remote branch (in case local branch has additional commits compared to remote branch). </code></pre> -<h2 id="tags-1"><a class="header" href="#tags-1">Tags</a></h2> +<h2 id="tags"><a class="header" href="#tags">Tags</a></h2> <pre><code class="language-markdown"> git tag -a <tname> -m "descr" ........ creates an annotated tag (full object containing tagger, date, ...) git tag -l ........................... list available tags @@ -5019,8 +5113,39 @@ the same repository (shared .git folder).</p> tracked files in the working tree since <commit> are lost git reset HEAD <file> .......... 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 + git reset --soft HEAD~1 ........ delete most recent commit; dont revert index & worktree + git reset --mixed HEAD~1 ....... delete most recent commit; revert index; dont revert worktree + git reset --hard HEAD~1 ........ delete most recent commit; revert index & worktree +</code></pre> +<p>Assuming an initial history <code>A - B - C - D</code> where <code>HEAD</code> currently points at +<code>D</code>, the different reset operations work as shown below.</p> +<p><strong>Soft</strong> reset.</p> +<pre><code>git reset --soft HEAD~2 + +history: A - B + ^HEAD + +-> local history is reverted, HEAD moved to B. +-> changes from C + D are still in the worktree & index (appear as staged changes). +</code></pre> +<p><strong>Mixed</strong> reset.</p> +<pre><code>git reset --mixed HEAD~2 + +history: A - B + ^HEAD + +-> local history is reverted, HEAD moved to B. +-> changed from C + D are reverted in the index. +-> changes from C + D are still in the worktree (appear as unstaged changes). +</code></pre> +<p><strong>Hard</strong> reset.</p> +<pre><code>git reset --head HEAD~2 + +history: A - B + ^HEAD + +-> local history is reverted, HEAD moved to B. +-> changes from C + D also reverted in the worktree & index (no pending changes). </code></pre> <h2 id="submodules"><a class="header" href="#submodules">Submodules</a></h2> <pre><code class="language-markdown"> git submodule add <url> [<path>] .......... add new submodule to current project |