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‎dev/src/uu_env/env.rs.html

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</pre><pre class="rust"><code><span class="comment">// This file is part of the uutils coreutils package.</span>
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<span class="comment">//</span>
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<span class="comment">// (c) Jordi Boggiano &lt;j.boggiano@seld.be&gt;</span>
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<span class="kw">use</span> <span class="ident">std::env</span>;
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<span class="kw">use</span> <span class="ident">std::io</span>::{<span class="self">self</span>, <span class="ident">Write</span>};
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<span class="kw">use</span> <span class="ident">std::iter::Iterator</span>;
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span>
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<span class="kw">use</span> <span class="ident">std::os::unix::process::ExitStatusExt</span>;
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<span class="kw">use</span> <span class="ident">std::process</span>;
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<span class="kw">use</span> <span class="ident">uucore::display::Quotable</span>;
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<span class="kw">use</span> <span class="ident">uucore::error</span>::{<span class="ident">UResult</span>, <span class="ident">USimpleError</span>, <span class="ident">UUsageError</span>};
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<span class="kw">use</span> <span class="ident">uucore::format_usage</span>;
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span>
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<span class="kw">use</span> <span class="ident">uucore::signals::signal_name_by_value</span>;
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<span class="kw">const</span> <span class="ident">USAGE</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;{} [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]&quot;</span>;
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<span class="kw">const</span> <span class="ident">AFTER_HELP</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;\
@@ -637,7 +675,37 @@
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* created. This is much simpler than dealing with the hassles of calling execvp directly.
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*/</span>
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<span class="kw">match</span> <span class="ident">process::Command::new</span>(<span class="kw-2">&amp;</span><span class="kw-2">*</span><span class="ident">prog</span>).<span class="ident">args</span>(<span class="ident">args</span>).<span class="ident">status</span>() {
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<span class="prelude-val">Ok</span>(<span class="ident">exit</span>) <span class="kw">if</span> <span class="op">!</span><span class="ident">exit</span>.<span class="ident">success</span>() =&gt; <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">exit</span>.<span class="ident">code</span>().<span class="ident">unwrap</span>().<span class="ident">into</span>()),
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<span class="prelude-val">Ok</span>(<span class="ident">exit</span>) <span class="kw">if</span> <span class="op">!</span><span class="ident">exit</span>.<span class="ident">success</span>() =&gt; {
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">unix</span>)]</span>
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<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">exit_code</span>) <span class="op">=</span> <span class="ident">exit</span>.<span class="ident">code</span>() {
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<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">exit_code</span>.<span class="ident">into</span>());
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} <span class="kw">else</span> {
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<span class="comment">// `exit.code()` returns `None` on Unix when the process is terminated by a signal.</span>
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<span class="comment">// See std::os::unix::process::ExitStatusExt for more information. This prints out</span>
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<span class="comment">// the interrupted process and the signal it received.</span>
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<span class="kw">let</span> <span class="ident">signal_code</span> <span class="op">=</span> <span class="ident">exit</span>.<span class="ident">signal</span>().<span class="ident">unwrap</span>();
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<span class="macro">eprintln!</span>(
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<span class="string">&quot;\&quot;{}\&quot; terminated by signal {}&quot;</span>,
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{
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">command</span> <span class="op">=</span> <span class="ident">uucore::util_name</span>().<span class="ident">to_owned</span>();
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<span class="ident">command</span>.<span class="ident">push</span>(<span class="string">&#39; &#39;</span>);
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<span class="ident">command</span>.<span class="ident">push_str</span>(<span class="kw-2">&amp;</span><span class="ident">opts</span>.<span class="ident">program</span>.<span class="ident">join</span>(<span class="string">&quot; &quot;</span>));
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<span class="ident">command</span>
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},
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<span class="ident">signal_name_by_value</span>(<span class="ident">signal_code</span> <span class="kw">as</span> <span class="ident">usize</span>).<span class="ident">map_or_else</span>(
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<span class="op">|</span><span class="op">|</span> <span class="ident">String::from</span>(<span class="string">&quot;UNKNOWN&quot;</span>),
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<span class="op">|</span><span class="ident">signal</span><span class="op">|</span> {
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">full_signal_name</span> <span class="op">=</span> <span class="ident">String::from</span>(<span class="string">&quot;SIG&quot;</span>);
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<span class="ident">full_signal_name</span>.<span class="ident">push_str</span>(<span class="ident">signal</span>);
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<span class="ident">full_signal_name</span>
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}
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)
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);
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<span class="kw">return</span> <span class="prelude-val">Err</span>((<span class="number">128</span> <span class="op">+</span> <span class="ident">signal_code</span>).<span class="ident">into</span>());
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}
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">unix</span>))]</span>
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<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">exit</span>.<span class="ident">code</span>().<span class="ident">unwrap</span>().<span class="ident">into</span>());
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}
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<span class="prelude-val">Err</span>(<span class="kw-2">ref</span> <span class="ident">err</span>) <span class="kw">if</span> <span class="ident">err</span>.<span class="ident">kind</span>() <span class="op">==</span> <span class="ident">io::ErrorKind::NotFound</span> =&gt; <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="number">127</span>.<span class="ident">into</span>()),
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<span class="prelude-val">Err</span>(<span class="kw">_</span>) =&gt; <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="number">126</span>.<span class="ident">into</span>()),
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<span class="prelude-val">Ok</span>(<span class="kw">_</span>) =&gt; (),

‎dev/uu_env/fn.uu_app.html

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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="API documentation for the Rust `uu_app` fn in crate `uu_env`."><meta name="keywords" content="rust, rustlang, rust-lang, uu_app"><title>uu_app in uu_env - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><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="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script src="../crates.js"></script><script defer src="../main.js"></script>
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</a><div class="sidebar-elems"><h2 class="location">Other items in<br><a href="index.html">uu_env</a></h2><div id="sidebar-vars" data-name="uu_app" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../uu_env/index.html"><img class="rust-logo" src="../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Function <a href="index.html">uu_env</a>::<wbr><a class="fn" href="#">uu_app</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../src/uu_env/env.rs.html#124-166" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust fn"><code>pub fn uu_app&lt;'a&gt;() -&gt; Command&lt;'a&gt;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="uu_env" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div>
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</a><div class="sidebar-elems"><h2 class="location">Other items in<br><a href="index.html">uu_env</a></h2><div id="sidebar-vars" data-name="uu_app" data-ty="fn" data-relpath=""></div><script defer src="sidebar-items.js"></script></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../uu_env/index.html"><img class="rust-logo" src="../rust-logo.png" alt="logo"></a><nav class="sub"><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../brush.svg"></button><div id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><h1 class="fqn"><span class="in-band">Function <a href="index.html">uu_env</a>::<wbr><a class="fn" href="#">uu_app</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span><span class="out-of-band"><span id="render-detail"><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span><a class="srclink" href="../src/uu_env/env.rs.html#128-170" title="goto source code">[src]</a></span></h1><div class="docblock item-decl"><pre class="rust fn"><code>pub fn uu_app&lt;'a&gt;() -&gt; Command&lt;'a&gt;</code></pre></div></section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="uu_env" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div>
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