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| author | johannst <johannst@users.noreply.github.com> | 2021-04-11 19:41:45 +0000 |
|---|---|---|
| committer | johannst <johannst@users.noreply.github.com> | 2021-04-11 19:41:45 +0000 |
| commit | faa61d5bfc0ab42ef94a75d5f392dfb9c91ce456 (patch) | |
| tree | b7a7a37315857694662ebb58e94e66e7c13d544f /tools/zsh.html | |
| parent | c6ae65a3f9c9f1d393291dbb7c1c741676664825 (diff) | |
| download | notes-faa61d5bfc0ab42ef94a75d5f392dfb9c91ce456.tar.gz notes-faa61d5bfc0ab42ef94a75d5f392dfb9c91ce456.zip | |
deploy: 66e190555b3570da3f547efa33f3ab89d0388582
Diffstat (limited to 'tools/zsh.html')
| -rw-r--r-- | tools/zsh.html | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/tools/zsh.html b/tools/zsh.html index eff4a16..e1fc9f1 100644 --- a/tools/zsh.html +++ b/tools/zsh.html @@ -276,6 +276,39 @@ echo $bar[2] # 2 echo ${(L)foo} # aabb echo ${(U)foo} # AABB </code></pre> +<h2><a class="header" href="#argument-parsing-with-zparseopts" id="argument-parsing-with-zparseopts">Argument parsing with <code>zparseopts</code></a></h2> +<pre><code class="language-zsh">zparseopts [-D] [-E] [-A assoc] specs +</code></pre> +<p>Arguments are copied into the associative array <code>assoc</code> according to <code>specs</code>. +Each spec is described by an entry as <code>opt[:][=array]</code>.</p> +<ul> +<li><code>opt</code> is the option without the <code>-</code> char. Passing <code>-f</code> is matched against <code>f</code> +opt, <code>--long</code> is matched against <code>-long</code>.</li> +<li>Using <code>:</code> means the option will take an argument.</li> +<li>The optional <code>=array</code> specifies an alternate storage container where this +option should be stored.</li> +</ul> +<blockquote> +<p>Documentation can be found in <code>man zshmodules</code>.</p> +</blockquote> +<h3><a class="header" href="#example" id="example">Example</a></h3> +<pre><code class="language-zsh">#!/bin/zsh +function test() { + zparseopts -D -E -A opts f=flag o: -long: + echo "flag $flag" + echo "o $opts[-o]" + echo "long $opts[--long]" + echo "pos $1" +} + +test -f -o OPTION --long LONG_OPT POSITIONAL + +# Outputs: +# flag -f +# o OPTION +# long LONG_OPT +# pos POSITIONAL +</code></pre> <h2><a class="header" href="#regular-expressions" id="regular-expressions">Regular Expressions</a></h2> <p>Zsh supports regular expression matching with the binary operator <code>=~</code>. The match results can be accessed via the <code>$MATCH</code> variable and @@ -349,7 +382,7 @@ blu -- desc for blu 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> +<h3><a class="header" href="#example-1" id="example-1">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 <file> -d <dir> -h |