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34 lines
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1.9 KiB
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<title>Os.args — Ludic</title>
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<meta name="description" content="Every command-line argument, as a list.">
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<header class="nav"><div class="wrap nav-in"><a class="brand" href="index.html"><span class="logo">L</span> Ludic</a><button class="nav-toggle" aria-label="Toggle menu" aria-expanded="false">☰</button><nav class="nav-links"><a href="index.html">Home</a><a href="api.html">API Reference</a><a class="nav-cta" href="https://git.workshopsoft.io/workshopsoft/ludic">Source ↗</a></nav></div></header>
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<div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="ns-os.html">Os</a> <span>›</span> <span class="here">Os.args</span></div>
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<div class="item-head">
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<span class="kind-badge kind-method">method</span>
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<h1 id="top">Os.args</h1>
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<code class="sig">Os.args() -> []string</code>
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<div class="desc"><p>Returns the whole argument vector as a <a href="type-slice"><code>[]string</code></a>: element <code>0</code> is the program path, and the rest are the arguments the process was launched with. The list has exactly <a href="os-arg_count"><code>arg_count()</code></a> elements, so you can iterate it directly to parse launch flags.</p></div>
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<div class="examples"><h2>Example</h2><pre data-lang="ludic">program Args {
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entry {
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let all = Os.args()
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var i = 0
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while i < len(all) { print(len(all[i])); i = i + 1 } # one length per argument
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}
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}</pre></div>
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