<!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 `home_dir` fn in crate `std`."><meta name="keywords" content="rust, rustlang, rust-lang, home_dir"><title>std::env::home_dir - Rust</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script src="../../storage.js"></script><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"><div class="sidebar-menu">☰</div><a href='../../std/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><div class="sidebar-elems"><p class='location'><a href='../index.html'>std</a>::<wbr><a href='index.html'>env</a></p><script>window.sidebarCurrent = {name: 'home_dir', ty: 'fn', relpath: ''};</script><script defer src="sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../theme.js"></script><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"><a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></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=''>home_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#541-543' title='goto source code'>[src]</a></span></h1><pre class='rust fn'>pub fn home_dir() -> <a class="enum" href="../../std/option/enum.Option.html" title="enum std::option::Option">Option</a><<a class="struct" href="../../std/path/struct.PathBuf.html" title="struct std::path::PathBuf">PathBuf</a>></pre><div class='docblock'><p>Returns the path of the current user's home directory if known.</p>
<h1 id="unix" class="section-header"><a href="#unix">Unix</a></h1>
<p>Returns the value of the 'HOME' environment variable if it is set
and not equal to the empty string. Otherwise, it tries to determine the
home directory by invoking the <code>getpwuid_r</code> function on the UID of the
current user.</p>
<h1 id="windows" class="section-header"><a href="#windows">Windows</a></h1>
<p>Returns the value of the 'HOME' environment variable if it is
set and not equal to the empty string. Otherwise, returns the value of the
'USERPROFILE' environment variable if it is set and not equal to the empty
string. If both do not exist, <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/bb762280(v=vs.85).aspx"><code>GetUserProfileDirectory</code></a> is used to
return the appropriate path.</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">match</span> <span class="ident">env</span>::<span class="ident">home_dir</span>() {
<span class="prelude-val">Some</span>(<span class="ident">path</span>) <span class="op">=></span> <span class="macro">println</span><span class="macro">!</span>(<span class="string">"{}"</span>, <span class="ident">path</span>.<span class="ident">display</span>()),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="macro">println</span><span class="macro">!</span>(<span class="string">"Impossible to get your home dir!"</span>),
}<a class="test-arrow" target="_blank" href="https://play.rust-lang.org/?code=%23!%5Ballow(unused)%5D%0Afn%20main()%20%7B%0Ause%20std%3A%3Aenv%3B%0A%0Amatch%20env%3A%3Ahome_dir()%20%7B%0A%20%20%20%20Some(path)%20%3D%3E%20println!(%22%7B%7D%22%2C%20path.display())%2C%0A%20%20%20%20None%20%3D%3E%20println!(%22Impossible%20to%20get%20your%20home%20dir!%22)%2C%0A%7D%0A%7D">Run</a></pre>
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