Update chroma from v0.8 to v2 (v2.8.0) and fix up formatting
This commit is contained in:
Eli Bendersky
125
public/spawning-processes
generated
125
public/spawning-processes
generated
@@ -43,8 +43,7 @@ processes.</p>
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</td>
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<td class="code leading">
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<a href="https://go.dev/play/p/rmnQdR-dMWU"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
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<pre class="chroma"><span class="kn">package</span> <span class="nx">main</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"><span class="kn">package</span> <span class="nx">main</span></span></span></code></pre>
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</td>
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</tr>
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@@ -54,12 +53,11 @@ processes.</p>
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</td>
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<td class="code leading">
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<pre class="chroma"><span class="kn">import</span> <span class="p">(</span>
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<span class="s">"fmt"</span>
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<span class="s">"io"</span>
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<span class="s">"os/exec"</span>
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<span class="p">)</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"><span class="kn">import</span> <span class="p">(</span>
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</span></span><span class="line"><span class="cl"> <span class="s">"fmt"</span>
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</span></span><span class="line"><span class="cl"> <span class="s">"io"</span>
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</span></span><span class="line"><span class="cl"> <span class="s">"os/exec"</span>
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</span></span><span class="line"><span class="cl"><span class="p">)</span></span></span></code></pre>
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</td>
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</tr>
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@@ -69,8 +67,7 @@ processes.</p>
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</td>
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<td class="code leading">
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<pre class="chroma"><span class="kd">func</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"><span class="kd">func</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span></span></span></code></pre>
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</td>
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</tr>
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@@ -84,9 +81,7 @@ to represent this external process.</p>
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</td>
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<td class="code leading">
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<pre class="chroma">
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<span class="nx">dateCmd</span> <span class="o">:=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"date"</span><span class="p">)</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">dateCmd</span> <span class="o">:=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"date"</span><span class="p">)</span></span></span></code></pre>
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</td>
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</tr>
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@@ -100,14 +95,12 @@ with the date info.</p>
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</td>
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<td class="code leading">
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<pre class="chroma">
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<span class="nx">dateOut</span><span class="p">,</span> <span class="nx">err</span> <span class="o">:=</span> <span class="nx">dateCmd</span><span class="p">.</span><span class="nf">Output</span><span class="p">()</span>
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<span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
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<span class="nb">panic</span><span class="p">(</span><span class="nx">err</span><span class="p">)</span>
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<span class="p">}</span>
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<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"> date"</span><span class="p">)</span>
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<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">dateOut</span><span class="p">))</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">dateOut</span><span class="p">,</span> <span class="nx">err</span> <span class="o">:=</span> <span class="nx">dateCmd</span><span class="p">.</span><span class="nf">Output</span><span class="p">()</span>
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</span></span><span class="line"><span class="cl"> <span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
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</span></span><span class="line"><span class="cl"> <span class="nb">panic</span><span class="p">(</span><span class="nx">err</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="p">}</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"> date"</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">dateOut</span><span class="p">))</span></span></span></code></pre>
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</td>
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</tr>
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@@ -122,19 +115,17 @@ code.</p>
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</td>
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<td class="code leading">
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<pre class="chroma">
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<span class="nx">_</span><span class="p">,</span> <span class="nx">err</span> <span class="p">=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"date"</span><span class="p">,</span> <span class="s">"-x"</span><span class="p">).</span><span class="nf">Output</span><span class="p">()</span>
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<span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
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<span class="k">switch</span> <span class="nx">e</span> <span class="o">:=</span> <span class="nx">err</span><span class="p">.(</span><span class="kd">type</span><span class="p">)</span> <span class="p">{</span>
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<span class="k">case</span> <span class="o">*</span><span class="nx">exec</span><span class="p">.</span><span class="nx">Error</span><span class="p">:</span>
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<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"failed executing:"</span><span class="p">,</span> <span class="nx">err</span><span class="p">)</span>
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<span class="k">case</span> <span class="o">*</span><span class="nx">exec</span><span class="p">.</span><span class="nx">ExitError</span><span class="p">:</span>
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<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"command exit rc ="</span><span class="p">,</span> <span class="nx">e</span><span class="p">.</span><span class="nf">ExitCode</span><span class="p">())</span>
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<span class="k">default</span><span class="p">:</span>
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<span class="nb">panic</span><span class="p">(</span><span class="nx">err</span><span class="p">)</span>
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<span class="p">}</span>
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<span class="p">}</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">_</span><span class="p">,</span> <span class="nx">err</span> <span class="p">=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"date"</span><span class="p">,</span> <span class="s">"-x"</span><span class="p">).</span><span class="nf">Output</span><span class="p">()</span>
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</span></span><span class="line"><span class="cl"> <span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
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</span></span><span class="line"><span class="cl"> <span class="k">switch</span> <span class="nx">e</span> <span class="o">:=</span> <span class="nx">err</span><span class="p">.(</span><span class="kd">type</span><span class="p">)</span> <span class="p">{</span>
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</span></span><span class="line"><span class="cl"> <span class="k">case</span> <span class="o">*</span><span class="nx">exec</span><span class="p">.</span><span class="nx">Error</span><span class="p">:</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"failed executing:"</span><span class="p">,</span> <span class="nx">err</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="k">case</span> <span class="o">*</span><span class="nx">exec</span><span class="p">.</span><span class="nx">ExitError</span><span class="p">:</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"command exit rc ="</span><span class="p">,</span> <span class="nx">e</span><span class="p">.</span><span class="nf">ExitCode</span><span class="p">())</span>
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</span></span><span class="line"><span class="cl"> <span class="k">default</span><span class="p">:</span>
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</span></span><span class="line"><span class="cl"> <span class="nb">panic</span><span class="p">(</span><span class="nx">err</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="p">}</span>
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</span></span><span class="line"><span class="cl"> <span class="p">}</span></span></span></code></pre>
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</td>
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</tr>
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@@ -147,9 +138,7 @@ where we pipe data to the external process on its
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</td>
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<td class="code leading">
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<pre class="chroma">
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<span class="nx">grepCmd</span> <span class="o">:=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"grep"</span><span class="p">,</span> <span class="s">"hello"</span><span class="p">)</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">grepCmd</span> <span class="o">:=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"grep"</span><span class="p">,</span> <span class="s">"hello"</span><span class="p">)</span></span></span></code></pre>
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</td>
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</tr>
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@@ -163,15 +152,13 @@ to exit.</p>
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</td>
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<td class="code leading">
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<pre class="chroma">
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<span class="nx">grepIn</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">grepCmd</span><span class="p">.</span><span class="nf">StdinPipe</span><span class="p">()</span>
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<span class="nx">grepOut</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">grepCmd</span><span class="p">.</span><span class="nf">StdoutPipe</span><span class="p">()</span>
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<span class="nx">grepCmd</span><span class="p">.</span><span class="nf">Start</span><span class="p">()</span>
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<span class="nx">grepIn</span><span class="p">.</span><span class="nf">Write</span><span class="p">([]</span><span class="nb">byte</span><span class="p">(</span><span class="s">"hello grep\ngoodbye grep"</span><span class="p">))</span>
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<span class="nx">grepIn</span><span class="p">.</span><span class="nf">Close</span><span class="p">()</span>
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<span class="nx">grepBytes</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">io</span><span class="p">.</span><span class="nf">ReadAll</span><span class="p">(</span><span class="nx">grepOut</span><span class="p">)</span>
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<span class="nx">grepCmd</span><span class="p">.</span><span class="nf">Wait</span><span class="p">()</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">grepIn</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">grepCmd</span><span class="p">.</span><span class="nf">StdinPipe</span><span class="p">()</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">grepOut</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">grepCmd</span><span class="p">.</span><span class="nf">StdoutPipe</span><span class="p">()</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">grepCmd</span><span class="p">.</span><span class="nf">Start</span><span class="p">()</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">grepIn</span><span class="p">.</span><span class="nf">Write</span><span class="p">([]</span><span class="nb">byte</span><span class="p">(</span><span class="s">"hello grep\ngoodbye grep"</span><span class="p">))</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">grepIn</span><span class="p">.</span><span class="nf">Close</span><span class="p">()</span>
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||||
</span></span><span class="line"><span class="cl"> <span class="nx">grepBytes</span><span class="p">,</span> <span class="nx">_</span> <span class="o">:=</span> <span class="nx">io</span><span class="p">.</span><span class="nf">ReadAll</span><span class="p">(</span><span class="nx">grepOut</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">grepCmd</span><span class="p">.</span><span class="nf">Wait</span><span class="p">()</span></span></span></code></pre>
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</td>
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</tr>
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@@ -186,10 +173,8 @@ exactly the same way.</p>
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</td>
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<td class="code leading">
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<pre class="chroma">
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<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"> grep hello"</span><span class="p">)</span>
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<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">grepBytes</span><span class="p">))</span>
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</pre>
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"> grep hello"</span><span class="p">)</span>
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</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">grepBytes</span><span class="p">))</span></span></span></code></pre>
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</td>
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</tr>
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@@ -205,16 +190,14 @@ option:</p>
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</td>
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<td class="code">
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<pre class="chroma">
|
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<span class="nx">lsCmd</span> <span class="o">:=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"bash"</span><span class="p">,</span> <span class="s">"-c"</span><span class="p">,</span> <span class="s">"ls -a -l -h"</span><span class="p">)</span>
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<span class="nx">lsOut</span><span class="p">,</span> <span class="nx">err</span> <span class="o">:=</span> <span class="nx">lsCmd</span><span class="p">.</span><span class="nf">Output</span><span class="p">()</span>
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<span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
|
||||
<span class="nb">panic</span><span class="p">(</span><span class="nx">err</span><span class="p">)</span>
|
||||
<span class="p">}</span>
|
||||
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"> ls -a -l -h"</span><span class="p">)</span>
|
||||
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">lsOut</span><span class="p">))</span>
|
||||
<span class="p">}</span>
|
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</pre>
|
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<pre class="chroma"><code><span class="line"><span class="cl"> <span class="nx">lsCmd</span> <span class="o">:=</span> <span class="nx">exec</span><span class="p">.</span><span class="nf">Command</span><span class="p">(</span><span class="s">"bash"</span><span class="p">,</span> <span class="s">"-c"</span><span class="p">,</span> <span class="s">"ls -a -l -h"</span><span class="p">)</span>
|
||||
</span></span><span class="line"><span class="cl"> <span class="nx">lsOut</span><span class="p">,</span> <span class="nx">err</span> <span class="o">:=</span> <span class="nx">lsCmd</span><span class="p">.</span><span class="nf">Output</span><span class="p">()</span>
|
||||
</span></span><span class="line"><span class="cl"> <span class="k">if</span> <span class="nx">err</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">{</span>
|
||||
</span></span><span class="line"><span class="cl"> <span class="nb">panic</span><span class="p">(</span><span class="nx">err</span><span class="p">)</span>
|
||||
</span></span><span class="line"><span class="cl"> <span class="p">}</span>
|
||||
</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="s">"> ls -a -l -h"</span><span class="p">)</span>
|
||||
</span></span><span class="line"><span class="cl"> <span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nb">string</span><span class="p">(</span><span class="nx">lsOut</span><span class="p">))</span>
|
||||
</span></span><span class="line"><span class="cl"><span class="p">}</span></span></span></code></pre>
|
||||
</td>
|
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</tr>
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@@ -230,10 +213,9 @@ as if we had run them directly from the command-line.</p>
|
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</td>
|
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<td class="code leading">
|
||||
|
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<pre class="chroma">
|
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<span class="gp">$</span> go run spawning-processes.go
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<span class="gp">></span> date
|
||||
<span class="go">Thu 05 May 2022 10:10:12 PM PDT</span></pre>
|
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<pre class="chroma"><code><span class="line"><span class="cl"><span class="gp">$</span> go run spawning-processes.go
|
||||
</span></span><span class="line"><span class="cl"><span class="gp">></span> date
|
||||
</span></span><span class="line"><span class="cl"><span class="go">Thu 05 May 2022 10:10:12 PM PDT</span></span></span></code></pre>
|
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</td>
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</tr>
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@@ -245,10 +227,9 @@ an error message and non-zero return code.</p>
|
||||
</td>
|
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<td class="code leading">
|
||||
|
||||
<pre class="chroma">
|
||||
<span class="go">command exited with rc = 1
|
||||
</span><span class="go"></span><span class="gp">></span> grep hello
|
||||
<span class="go">hello grep</span></pre>
|
||||
<pre class="chroma"><code><span class="line"><span class="cl"><span class="go">command exited with rc = 1
|
||||
</span></span></span><span class="line"><span class="cl"><span class="go"></span><span class="gp">></span> grep hello
|
||||
</span></span><span class="line"><span class="cl"><span class="go">hello grep</span></span></span></code></pre>
|
||||
</td>
|
||||
</tr>
|
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|
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@@ -258,10 +239,10 @@ an error message and non-zero return code.</p>
|
||||
</td>
|
||||
<td class="code">
|
||||
|
||||
<pre class="chroma"><span class="gp">></span> ls -a -l -h
|
||||
<span class="go">drwxr-xr-x 4 mark 136B Oct 3 16:29 .
|
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</span><span class="go">drwxr-xr-x 91 mark 3.0K Oct 3 12:50 ..
|
||||
</span><span class="go">-rw-r--r-- 1 mark 1.3K Oct 3 16:28 spawning-processes.go</span></pre>
|
||||
<pre class="chroma"><code><span class="line"><span class="cl"><span class="gp">></span> ls -a -l -h
|
||||
</span></span><span class="line"><span class="cl"><span class="go">drwxr-xr-x 4 mark 136B Oct 3 16:29 .
|
||||
</span></span></span><span class="line"><span class="cl"><span class="go">drwxr-xr-x 91 mark 3.0K Oct 3 12:50 ..
|
||||
</span></span></span><span class="line"><span class="cl"><span class="go">-rw-r--r-- 1 mark 1.3K Oct 3 16:28 spawning-processes.go</span></span></span></code></pre>
|
||||
</td>
|
||||
</tr>
|
||||
|
||||
|
||||
Reference in New Issue
Block a user