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<!doctype html><html><head><title>Module hilbish.runner — Hilbish</title><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"><meta name=theme-color content="#ff89dd"><meta content="/Hilbish/hilbish-flower.png" property="og:image"><meta property="og:site_name" content="Hilbish"><meta content="Module hilbish.runner — Hilbish" property="og:title"><meta content="interactive command runner customization" property="og:description"><meta content="interactive command runner customization" name=description><meta name=revisit-after content="2 days"><meta name=keywords content="Lua,Hilbish,Linux,Shell"><meta property="og:locale" content="en_GB"><link rel=canonical href=https://rosettea.github.io/Hilbish/><meta property="og:url" content="https://rosettea.github.io/Hilbish/"><link href=https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/css/bootstrap.min.css rel=stylesheet integrity=sha384-0evHe/X+R7YkIZDRvuzKMRqM+OrBnVFBL6DOitfPri4tjfHxaWutUpFmBp4vmVor crossorigin=anonymous><script src=https://cdn.jsdelivr.net/npm/bootstrap@5.2.0-beta1/dist/js/bootstrap.bundle.min.js integrity=sha384-pprn3073KE6tl6bjs2QrFaJGz5/SUsLqktiwsUTF55Jfv3qYSDhgCecCxMW52nD2 crossorigin=anonymous></script>
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<span class=navbar-toggler-icon></span></button><div class="collapse navbar-collapse" id=navbarSupportedContent><ul class="navbar-nav me-auto mb-2 mb-lg-0"><li class=nav-item><a href=/Hilbish/versions/unix-build/ class=nav-link>Home</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/install/ class=nav-link>Install</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/ class=nav-link>Docs</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/blog/ class=nav-link>Blog</a></li></ul></div></div></nav></header><style>@media(min-width:768px){.sidenav{width:240px}}</style><div class=row><nav class="navbar-expand-md bg-light sidenav border-end"><div class=container><div class="collapse navbar-collapse" id=navbarSupportedContent><nav class="navbar navbar-expand-md bg-light sidenav col" style=margin-top:-20px><ul class="navbar-nav me-auto mb-2 mb-lg-0 flex-column col mt-4"><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/ class=nav-link><strong>Introduction</strong></a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/getting-started/ class=nav-link><strong>Getting Started</strong></a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/faq/ class=nav-link><strong>Frequently Asked Questions</strong></a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/features/ class=nav-link><strong>Features</strong></a></li><ul style=list-style:none><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/completions/ class=nav-link>Completions</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/features/notifications/ class=nav-link>Notification</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/features/opts/ class=nav-link>Options</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/features/runner-mode/ class=nav-link>Runner Mode</a></li></ul><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/hooks/ class=nav-link><strong>Signals</strong></a></li><ul style=list-style:none><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/hooks/command/ class=nav-link>Command</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/hooks/hilbish/ class=nav-link>Hilbish</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/hooks/signal/ class=nav-link>Signal</a></li></ul><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/lunacolors/ class=nav-link><strong>Lunacolors</strong></a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/vim-mode/ class=nav-link><strong>Vim Mode</strong></a></li><ul style=list-style:none><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/vim-mode/actions/ class=nav-link>Actions</a></li></ul><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/nature/ class=nav-link><strong>Nature</strong></a></li><ul style=list-style:none><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/nature/dirs/ class=nav-link>Module dirs</a></li></ul><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/ class=nav-link><strong>API</strong></a></li><ul style=list-style:none><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/bait/ class=nav-link>Module bait</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/commander/ class=nav-link>Module commander</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/fs/ class=nav-link>Module fs</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/hilbish/ class=nav-link>Module hilbish</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/hilbish/hilbish.aliases/ class=nav-link>Module hilbish.aliases</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/hilbish/hilbish.completion/ class=nav-link>Module hilbish.completion</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/hilbish/hilbish.editor/ class=nav-link>Module hilbish.editor</a></li><li class=nav-item><a href=/Hilbish/versions/unix-build/docs/api/hilbish/hilbish.history/ class=nav-li
<a href=#introduction class=heading-link><i class="fas fa-paperclip"></i></a></h3><p>The runner interface contains functions that allow the user to change
how Hilbish interprets interactive input.
Users can add and change the default runner for interactive input to any
language or script of their choosing. A good example is using it to
write command in Fennel.</p><p>Runners are functions that evaluate user input. The default runners in
Hilbish can run shell script and Lua code.</p><p>A runner is passed the input and has to return a table with these values.
All are not required, only the useful ones the runner needs to return.
(So if there isn&rsquo;t an error, just omit <code>err</code>.)</p><ul><li><code>exitCode</code> (number): A numerical code to indicate the exit result.</li><li><code>input</code> (string): The user input. This will be used to add
to the history.</li><li><code>err</code> (string): A string to indicate an interal error for the runner.
It can be set to a few special values for Hilbish to throw the right hooks and have a better looking message:</li></ul><p><code>[command]: not-found</code> will throw a command.not-found hook based on what <code>[command]</code> is.</p><p><code>[command]: not-executable</code> will throw a command.not-executable hook.</p><ul><li><code>continue</code> (boolean): Whether to prompt the user for more input.</li></ul><p>Here is a simple example of a fennel runner. It falls back to
shell script if fennel eval has an error.</p><div class=highlight><pre tabindex=0 class=chroma><code class=language-lua data-lang=lua><span class=line><span class=ln> 1</span><span class=cl><span class=kd>local</span> <span class=n>fennel</span> <span class=o>=</span> <span class=n>require</span> <span class=s1>&#39;fennel&#39;</span>
</span></span><span class=line><span class=ln> 2</span><span class=cl>
</span></span><span class=line><span class=ln> 3</span><span class=cl><span class=n>hilbish.runnerMode</span><span class=p>(</span><span class=kr>function</span><span class=p>(</span><span class=n>input</span><span class=p>)</span>
</span></span><span class=line><span class=ln> 4</span><span class=cl> <span class=kd>local</span> <span class=n>ok</span> <span class=o>=</span> <span class=n>pcall</span><span class=p>(</span><span class=n>fennel.eval</span><span class=p>,</span> <span class=n>input</span><span class=p>)</span>
</span></span><span class=line><span class=ln> 5</span><span class=cl> <span class=kr>if</span> <span class=n>ok</span> <span class=kr>then</span>
</span></span><span class=line><span class=ln> 6</span><span class=cl> <span class=kr>return</span> <span class=p>{</span>
</span></span><span class=line><span class=ln> 7</span><span class=cl> <span class=n>input</span> <span class=o>=</span> <span class=n>input</span>
</span></span><span class=line><span class=ln> 8</span><span class=cl> <span class=p>}</span>
</span></span><span class=line><span class=ln> 9</span><span class=cl> <span class=kr>end</span>
</span></span><span class=line><span class=ln>10</span><span class=cl>
</span></span><span class=line><span class=ln>11</span><span class=cl> <span class=kr>return</span> <span class=n>hilbish.runner</span><span class=p>.</span><span class=n>sh</span><span class=p>(</span><span class=n>input</span><span class=p>)</span>
</span></span><span class=line><span class=ln>12</span><span class=cl><span class=kr>end</span><span class=p>)</span>
</span></span></code></pre></div><h3 id=functions class=heading>Functions
<a href=#functions class=heading-link><i class="fas fa-paperclip"></i></a></h3><table><thead><tr><th></th><th></th></tr></thead><tbody><tr><td><a href=#runner.setMode>setMode(cb)</a></td><td>This is the same as the <code>hilbish.runnerMode</code> function.</td></tr><tr><td><a href=#runner.lua>lua(cmd)</a></td><td>Evaluates <code>cmd</code> as Lua input. This is the same as using <code>dofile</code></td></tr><tr><td><a href=#runner.sh>sh(cmd)</a></td><td>Runs a command in Hilbish&rsquo;s shell script interpreter.</td></tr></tbody></table><hr><div id=runner.setMode><h4 class=heading>hilbish.runner.setMode(cb)
<a href=#runner.setMode class=heading-link><i class="fas fa-paperclip"></i></a></h4><p>This is the same as the <code>hilbish.runnerMode</code> function.<br>It takes a callback, which will be used to execute all interactive input.<br>In normal cases, neither callbacks should be overrided by the user,<br>as the higher level functions listed below this will handle it.</p><h5 id=parameters class=heading>Parameters
<a href=#parameters class=heading-link><i class="fas fa-paperclip"></i></a></h5><p><code>function</code> <strong><code>cb</code></strong></p></div><hr><div id=runner.lua><h4 class=heading>hilbish.runner.lua(cmd)
<a href=#runner.lua class=heading-link><i class="fas fa-paperclip"></i></a></h4><p>Evaluates <code>cmd</code> as Lua input. This is the same as using <code>dofile</code><br>or <code>load</code>, but is appropriated for the runner interface.</p><h5 id=parameters-1 class=heading>Parameters
<a href=#parameters-1 class=heading-link><i class="fas fa-paperclip"></i></a></h5><p><code>string</code> <strong><code>cmd</code></strong></p></div><hr><div id=runner.sh><h4 class=heading>hilbish.runner.sh(cmd)
<a href=#runner.sh class=heading-link><i class="fas fa-paperclip"></i></a></h4><p>Runs a command in Hilbish&rsquo;s shell script interpreter.<br>This is the equivalent of using <code>source</code>.</p><h5 id=parameters-2 class=heading>Parameters
<a href=#parameters-2 class=heading-link><i class="fas fa-paperclip"></i></a></h5><p><code>string</code> <strong><code>cmd</code></strong></p></div></div><div class="footer mt-auto"><p class="card-small text-muted">Want to help improve this page? <a href=https://github.com/Rosettea/Hilbish/issues/new/choose>Create an issue.</a></p></div></container></div><footer class="footer mt-auto mt-auto py-3 bg-light row border-top"><div class="col mb-3"></div><div class="col mb-3"><a href=/Hilbish class="d-flex align-items-center mb-3 link-dark text-decoration-none"><img src=/Hilbish/hilbish-logo-and-text.png alt height=48 class="d-inline-block align-text-top" style=margin-left:-20px></a><ul class="nav flex-column"><li class="nav-item mb-2"><a href=/Hilbish class="nav-link p-0 text-muted">Home</a></li><li class="nav-item mb-2"><a href=/Hilbish/docs/faq class="nav-link p-0 text-muted">FAQ</a></li><li class="nav-item mb-2"><a href=https://github.com/Rosettea/Hilbish class="nav-link p-0 text-muted">Source</a></li><li class="nav-item mb-2"><a href=https://github.com/Rosettea/Hilbish/releases class="nav-link p-0 text-muted">Releases</a></li><li class="nav-item mb-2"><a href=/Hilbish/docs class="nav-link p-0 text-muted">Documentation</a></li></ul></div><div class="col mb-3"></div><div class="col mb-3"></div><div class="col mb-3"></div><div class="col mb-3"><p class="text-muted mt-4">Rosettea &copy; 2022-2023<br>Made with <i class="fa-solid fa-heart" style=color:#f6345b></i></p></div><div class="col mb-3"></div></footer></body></html>