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<!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="Re-export types common to POSIX-ish platforms. Unix-specific extensions to `fs::Metadata`."><title>MetadataExt in rustix::fs - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../static.files/rustdoc-42caa33d.css"><meta name="rustdoc-vars" data-root-path="../../" data-static-root-path="../../static.files/" data-current-crate="rustix" data-themes="" data-resource-suffix="" data-rustdoc-version="1.84.1 (e71f9a9a9 2025-01-27)" data-channel="1.84.1" data-search-js="search-92e6798f.js" data-settings-js="settings-0f613d39.js" ><script src="../../static.files/storage-59e33391.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../static.files/main-5f194d8c.js"></script><noscript><link rel="stylesheet" href="../../static.files/noscript-893ab5e7.css"></noscript><link rel="alternate icon" type="image/png" href="../../static.files/favicon-32x32-6580c154.png"><link rel="icon" type="image/svg+xml" href="../../static.files/favicon-044be391.svg"></head><body class="rustdoc trait"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../rustix/index.html">rustix</a><span class="version">0.38.42</span></h2></div><div class="sidebar-elems"><section id="rustdoc-toc"><h2 class="location"><a href="#">Metadata<wbr>Ext</a></h2><h3><a href="#required-methods">Required Methods</a></h3><ul class="block"><li><a href="#tymethod.atime" title="atime">atime</a></li><li><a href="#tymethod.atime_nsec" title="atime_nsec">atime_nsec</a></li><li><a href="#tymethod.blksize" title="blksize">blksize</a></li><li><a href="#tymethod.blocks" title="blocks">blocks</a></li><li><a href="#tymethod.ctime" title="ctime">ctime</a></li><li><a href="#tymethod.ctime_nsec" title="ctime_nsec">ctime_nsec</a></li><li><a href="#tymethod.dev" title="dev">dev</a></li><li><a href="#tymethod.gid" title="gid">gid</a></li><li><a href="#tymethod.ino" title="ino">ino</a></li><li><a href="#tymethod.mode" title="mode">mode</a></li><li><a href="#tymethod.mtime" title="mtime">mtime</a></li><li><a href="#tymethod.mtime_nsec" title="mtime_nsec">mtime_nsec</a></li><li><a href="#tymethod.nlink" title="nlink">nlink</a></li><li><a href="#tymethod.rdev" title="rdev">rdev</a></li><li><a href="#tymethod.size" title="size">size</a></li><li><a href="#tymethod.uid" title="uid">uid</a></li></ul><h3><a href="#implementors">Implementors</a></h3></section><div id="rustdoc-modnav"><h2><a href="index.html">In rustix::<wbr>fs</a></h2></div></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><span class="rustdoc-breadcrumbs"><a href="../index.html">rustix</a>::<wbr><a href="index.html">fs</a></span><h1>Trait <span class="trait">MetadataExt</span><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#425">Source</a> </span></div><pre class="rust item-decl"><code>pub trait MetadataExt {
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<details class="toggle type-contents-toggle"><summary class="hideme"><span>Show 16 methods</span></summary> // Required methods
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fn <a href="#tymethod.dev" class="fn">dev</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.ino" class="fn">ino</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.mode" class="fn">mode</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.nlink" class="fn">nlink</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.uid" class="fn">uid</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.gid" class="fn">gid</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.rdev" class="fn">rdev</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.size" class="fn">size</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.atime" class="fn">atime</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.atime_nsec" class="fn">atime_nsec</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.mtime" class="fn">mtime</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.mtime_nsec" class="fn">mtime_nsec</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.ctime" class="fn">ctime</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.ctime_nsec" class="fn">ctime_nsec</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.blksize" class="fn">blksize</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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<span class="item-spacer"></span> fn <a href="#tymethod.blocks" class="fn">blocks</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a>;
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</details>}</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Re-export types common to POSIX-ish platforms.
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Unix-specific extensions to <a href="https://doc.rust-lang.org/1.84.1/std/fs/struct.Metadata.html" title="struct std::fs::Metadata"><code>fs::Metadata</code></a>.</p>
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</div></details><h2 id="required-methods" class="section-header">Required Methods<a href="#required-methods" class="anchor">§</a></h2><div class="methods"><details class="toggle method-toggle" open><summary><section id="tymethod.dev" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#442">Source</a></span><h4 class="code-header">fn <a href="#tymethod.dev" class="fn">dev</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the ID of the device containing the file.</p>
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<h5 id="examples"><a class="doc-anchor" href="#examples">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::io;
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<span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>dev_id = meta.dev();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.ino" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#459">Source</a></span><h4 class="code-header">fn <a href="#tymethod.ino" class="fn">ino</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the inode number.</p>
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<h5 id="examples-1"><a class="doc-anchor" href="#examples-1">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>inode = meta.ino();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.mode" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#480">Source</a></span><h4 class="code-header">fn <a href="#tymethod.mode" class="fn">mode</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a></h4></section></summary><div class="docblock"><p>Returns the rights applied to this file.</p>
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<h5 id="examples-2"><a class="doc-anchor" href="#examples-2">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>mode = meta.mode();
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<span class="kw">let </span>user_has_write_access = mode & <span class="number">0o200</span>;
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<span class="kw">let </span>user_has_read_write_access = mode & <span class="number">0o600</span>;
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<span class="kw">let </span>group_has_read_access = mode & <span class="number">0o040</span>;
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<span class="kw">let </span>others_have_exec_access = mode & <span class="number">0o001</span>;
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.nlink" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#497">Source</a></span><h4 class="code-header">fn <a href="#tymethod.nlink" class="fn">nlink</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the number of hard links pointing to this file.</p>
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<h5 id="examples-3"><a class="doc-anchor" href="#examples-3">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>nb_hard_links = meta.nlink();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.uid" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#514">Source</a></span><h4 class="code-header">fn <a href="#tymethod.uid" class="fn">uid</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a></h4></section></summary><div class="docblock"><p>Returns the user ID of the owner of this file.</p>
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<h5 id="examples-4"><a class="doc-anchor" href="#examples-4">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>user_id = meta.uid();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.gid" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#531">Source</a></span><h4 class="code-header">fn <a href="#tymethod.gid" class="fn">gid</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u32.html">u32</a></h4></section></summary><div class="docblock"><p>Returns the group ID of the owner of this file.</p>
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<h5 id="examples-5"><a class="doc-anchor" href="#examples-5">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>group_id = meta.gid();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.rdev" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#548">Source</a></span><h4 class="code-header">fn <a href="#tymethod.rdev" class="fn">rdev</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the device ID of this file (if it is a special one).</p>
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<h5 id="examples-6"><a class="doc-anchor" href="#examples-6">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>device_id = meta.rdev();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.size" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#565">Source</a></span><h4 class="code-header">fn <a href="#tymethod.size" class="fn">size</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the total size of this file in bytes.</p>
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<h5 id="examples-7"><a class="doc-anchor" href="#examples-7">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>file_size = meta.size();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.atime" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#582">Source</a></span><h4 class="code-header">fn <a href="#tymethod.atime" class="fn">atime</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the last access time of the file, in seconds since Unix Epoch.</p>
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<h5 id="examples-8"><a class="doc-anchor" href="#examples-8">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>last_access_time = meta.atime();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.atime_nsec" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#601">Source</a></span><h4 class="code-header">fn <a href="#tymethod.atime_nsec" class="fn">atime_nsec</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the last access time of the file, in nanoseconds since <a href="trait.MetadataExt.html#tymethod.atime" title="method rustix::fs::MetadataExt::atime"><code>atime</code></a>.</p>
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<h5 id="examples-9"><a class="doc-anchor" href="#examples-9">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
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<span class="kw">use </span>std::io;
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<span class="kw">fn </span>main() -> io::Result<()> {
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
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<span class="kw">let </span>nano_last_access_time = meta.atime_nsec();
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<span class="prelude-val">Ok</span>(())
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.mtime" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#618">Source</a></span><h4 class="code-header">fn <a href="#tymethod.mtime" class="fn">mtime</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the last modification time of the file, in seconds since Unix Epoch.</p>
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<h5 id="examples-10"><a class="doc-anchor" href="#examples-10">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
|
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<span class="kw">use </span>std::io;
|
|
|
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<span class="kw">fn </span>main() -> io::Result<()> {
|
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
|
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<span class="kw">let </span>last_modification_time = meta.mtime();
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<span class="prelude-val">Ok</span>(())
|
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}</code></pre></div>
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.mtime_nsec" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#637">Source</a></span><h4 class="code-header">fn <a href="#tymethod.mtime_nsec" class="fn">mtime_nsec</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the last modification time of the file, in nanoseconds since <a href="trait.MetadataExt.html#tymethod.mtime" title="method rustix::fs::MetadataExt::mtime"><code>mtime</code></a>.</p>
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<h5 id="examples-11"><a class="doc-anchor" href="#examples-11">§</a>Examples</h5>
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<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
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<span class="kw">use </span>std::os::unix::fs::MetadataExt;
|
|
<span class="kw">use </span>std::io;
|
|
|
|
<span class="kw">fn </span>main() -> io::Result<()> {
|
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<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
|
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<span class="kw">let </span>nano_last_modification_time = meta.mtime_nsec();
|
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<span class="prelude-val">Ok</span>(())
|
|
}</code></pre></div>
|
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</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.ctime" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#654">Source</a></span><h4 class="code-header">fn <a href="#tymethod.ctime" class="fn">ctime</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the last status change time of the file, in seconds since Unix Epoch.</p>
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|
<h5 id="examples-12"><a class="doc-anchor" href="#examples-12">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
|
<span class="kw">use </span>std::os::unix::fs::MetadataExt;
|
|
<span class="kw">use </span>std::io;
|
|
|
|
<span class="kw">fn </span>main() -> io::Result<()> {
|
|
<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
|
|
<span class="kw">let </span>last_status_change_time = meta.ctime();
|
|
<span class="prelude-val">Ok</span>(())
|
|
}</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.ctime_nsec" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#673">Source</a></span><h4 class="code-header">fn <a href="#tymethod.ctime_nsec" class="fn">ctime_nsec</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.i64.html">i64</a></h4></section></summary><div class="docblock"><p>Returns the last status change time of the file, in nanoseconds since <a href="trait.MetadataExt.html#tymethod.ctime" title="method rustix::fs::MetadataExt::ctime"><code>ctime</code></a>.</p>
|
|
<h5 id="examples-13"><a class="doc-anchor" href="#examples-13">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
|
<span class="kw">use </span>std::os::unix::fs::MetadataExt;
|
|
<span class="kw">use </span>std::io;
|
|
|
|
<span class="kw">fn </span>main() -> io::Result<()> {
|
|
<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
|
|
<span class="kw">let </span>nano_last_status_change_time = meta.ctime_nsec();
|
|
<span class="prelude-val">Ok</span>(())
|
|
}</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.blksize" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#690">Source</a></span><h4 class="code-header">fn <a href="#tymethod.blksize" class="fn">blksize</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the block size for filesystem I/O.</p>
|
|
<h5 id="examples-14"><a class="doc-anchor" href="#examples-14">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
|
<span class="kw">use </span>std::os::unix::fs::MetadataExt;
|
|
<span class="kw">use </span>std::io;
|
|
|
|
<span class="kw">fn </span>main() -> io::Result<()> {
|
|
<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
|
|
<span class="kw">let </span>block_size = meta.blksize();
|
|
<span class="prelude-val">Ok</span>(())
|
|
}</code></pre></div>
|
|
</div></details><details class="toggle method-toggle" open><summary><section id="tymethod.blocks" class="method"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#709">Source</a></span><h4 class="code-header">fn <a href="#tymethod.blocks" class="fn">blocks</a>(&self) -> <a class="primitive" href="https://doc.rust-lang.org/1.84.1/std/primitive.u64.html">u64</a></h4></section></summary><div class="docblock"><p>Returns the number of blocks allocated to the file, in 512-byte units.</p>
|
|
<p>Please note that this may be smaller than <code>st_size / 512</code> when the file has holes.</p>
|
|
<h5 id="examples-15"><a class="doc-anchor" href="#examples-15">§</a>Examples</h5>
|
|
<div class="example-wrap"><pre class="rust rust-example-rendered"><code><span class="kw">use </span>std::fs;
|
|
<span class="kw">use </span>std::os::unix::fs::MetadataExt;
|
|
<span class="kw">use </span>std::io;
|
|
|
|
<span class="kw">fn </span>main() -> io::Result<()> {
|
|
<span class="kw">let </span>meta = fs::metadata(<span class="string">"some_file"</span>)<span class="question-mark">?</span>;
|
|
<span class="kw">let </span>blocks = meta.blocks();
|
|
<span class="prelude-val">Ok</span>(())
|
|
}</code></pre></div>
|
|
</div></details></div><h2 id="implementors" class="section-header">Implementors<a href="#implementors" class="anchor">§</a></h2><div id="implementors-list"><section id="impl-MetadataExt-for-Metadata" class="impl"><span class="rightside"><span class="since" title="Stable since Rust version 1.1.0">1.1.0</span> · <a class="src" href="https://doc.rust-lang.org/1.84.1/src/std/os/unix/fs.rs.html#716">Source</a></span><a href="#impl-MetadataExt-for-Metadata" class="anchor">§</a><h3 class="code-header">impl <a class="trait" href="trait.MetadataExt.html" title="trait rustix::fs::MetadataExt">MetadataExt</a> for <a class="struct" href="https://doc.rust-lang.org/1.84.1/std/fs/struct.Metadata.html" title="struct std::fs::Metadata">Metadata</a></h3></section></div><script src="../../trait.impl/std/os/unix/fs/trait.MetadataExt.js" data-ignore-extern-crates="std" async></script></section></div></main></body></html> |