<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="generator" content="rustdoc"> <meta name="description" content="API documentation for the Rust `set_current_dir` fn in crate `std`."> <meta name="keywords" content="rust, rustlang, rust-lang, set_current_dir"> <title>std::env::set_current_dir - Rust</title> <link rel="stylesheet" type="text/css" href="../../normalize.css"> <link rel="stylesheet" type="text/css" href="../../rustdoc.css"> <link rel="stylesheet" type="text/css" href="../../main.css"> <link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"> </head> <body class="rustdoc fn"> <!--[if lte IE 8]> <div class="warning"> This old browser is unsupported and will most likely display funky things. </div> <![endif]--> <nav class="sidebar"> <a href='../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a> <p class='location'><a href='../index.html'>std</a>::<wbr><a href='index.html'>env</a></p><script>window.sidebarCurrent = {name: 'set_current_dir', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script> </nav> <nav class="sub"> <form class="search-form js-only"> <div class="search-container"> <input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"> </div> </form> </nav> <section id='main' class="content"> <h1 class='fqn'><span class='in-band'>Function <a href='../index.html'>std</a>::<wbr><a href='index.html'>env</a>::<wbr><a class="fn" href=''>set_current_dir</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><span id='render-detail'> <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs"> [<span class='inner'>−</span>] </a> </span><a class='srclink' href='../../src/std/env.rs.html#78-80' title='goto source code'>[src]</a></span></h1> <pre class='rust fn'>pub fn set_current_dir<P: <a class="trait" href="../../std/convert/trait.AsRef.html" title="trait std::convert::AsRef">AsRef</a><<a class="struct" href="../../std/path/struct.Path.html" title="struct std::path::Path">Path</a>>>(path: P) -> <a class="type" href="../../std/io/type.Result.html" title="type std::io::Result">Result</a><<a class="primitive" href="../primitive.tuple.html">()</a>></pre><div class='docblock'><p>Changes the current working directory to the specified path.</p> <p>Returns an <a href="../../std/result/enum.Result.html#method.err"><code>Err</code></a> if the operation fails.</p> <h1 id='examples' class='section-header'><a href='#examples'>Examples</a></h1> <pre class="rust rust-example-rendered"> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">env</span>; <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">path</span>::<span class="ident">Path</span>; <span class="kw">let</span> <span class="ident">root</span> <span class="op">=</span> <span class="ident">Path</span>::<span class="ident">new</span>(<span class="string">"/"</span>); <span class="macro">assert</span><span class="macro">!</span>(<span class="ident">env</span>::<span class="ident">set_current_dir</span>(<span class="kw-2">&</span><span class="ident">root</span>).<span class="ident">is_ok</span>()); <span class="macro">println</span><span class="macro">!</span>(<span class="string">"Successfully changed working directory to {}!"</span>, <span class="ident">root</span>.<span class="ident">display</span>());<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=fn%20main()%20%7B%0Ause%20std%3A%3Aenv%3B%0Ause%20std%3A%3Apath%3A%3APath%3B%0A%0Alet%20root%20%3D%20Path%3A%3Anew(%22%2F%22)%3B%0Aassert!(env%3A%3Aset_current_dir(%26root).is_ok())%3B%0Aprintln!(%22Successfully%20changed%20working%20directory%20to%20%7B%7D!%22%2C%20root.display())%3B%0A%7D">Run</a></pre> </div></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <dl> <dt>?</dt> <dd>Show this help dialog</dd> <dt>S</dt> <dd>Focus the search field</dd> <dt>⇤</dt> <dd>Move up in search results</dd> <dt>⇥</dt> <dd>Move down in search results</dd> <dt>⏎</dt> <dd>Go to active search result</dd> <dt>+</dt> <dd>Collapse/expand all sections</dd> </dl> </div> <div class="infos"> <h2>Search Tricks</h2> <p> Prefix searches with a type followed by a colon (e.g. <code>fn:</code>) to restrict the search to a given type. </p> <p> Accepted types are: <code>fn</code>, <code>mod</code>, <code>struct</code>, <code>enum</code>, <code>trait</code>, <code>type</code>, <code>macro</code>, and <code>const</code>. </p> <p> Search functions by type signature (e.g. <code>vec -> usize</code> or <code>* -> vec</code>) </p> </div> </div> </aside> <script> window.rootPath = "../../"; 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