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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2018-03-16 08:18:53 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2018-03-16 08:18:53 +0000 |
| commit | 77a47b2c5e7c3243743bd8d7594366f498e9cef7 (patch) | |
| tree | fb807c0b0c20db34f5108df67da6b4d64e5bc8e6 /doc/pipeline.html | |
| parent | 3fde941ae33bd70edf015b3c72997aef703ebf6d (diff) | |
| download | execline-77a47b2c5e7c3243743bd8d7594366f498e9cef7.tar.xz | |
More modifications, and doc change
Diffstat (limited to 'doc/pipeline.html')
| -rw-r--r-- | doc/pipeline.html | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/doc/pipeline.html b/doc/pipeline.html index 99a89e0..13882f1 100644 --- a/doc/pipeline.html +++ b/doc/pipeline.html @@ -3,9 +3,9 @@ <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <meta http-equiv="Content-Language" content="en" /> - <title>execline: the pipeline command</title> - <meta name="Description" content="execline: the pipeline command" /> - <meta name="Keywords" content="execline command pipeline" /> + <title>execline: the | command</title> + <meta name="Description" content="execline: the | command" /> + <meta name="Keywords" content="execline command |" /> <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> --> </head> <body> @@ -16,10 +16,10 @@ <a href="//skarnet.org/">skarnet.org</a> </p> -<h1> The <tt>pipeline</tt> program </h1> +<h1> The <tt>|</tt> program </h1> <p> -<tt>pipeline</tt> runs two commands with a pipe between them. +<tt>|</tt> runs two commands with a pipe between them. </p> <h2> Interface </h2> @@ -29,11 +29,11 @@ </p> <pre> - pipeline [ -d ] [ -r | -w ] { <em>prog1...</em> } <em>prog2...</em> + | [ -d ] [ -r | -w ] { <em>prog1...</em> } <em>prog2...</em> </pre> <ul> - <li> <tt>pipeline</tt> reads <em>prog1...</em> in a + <li> <tt>|</tt> reads <em>prog1...</em> in a <a href="el_semicolon.html">block</a> and unquotes it. </li> <li> It runs <em>prog1...</em> as a child process and execs into <em>prog2...</em>, with a pipe between <em>prog1</em>'s stdout and @@ -46,7 +46,7 @@ environment variable. </li> <ul> <li> <tt>-d</tt> : run <em>prog1...</em> -as a grandchild of <tt>pipeline</tt>. This is meant to prevent a zombie +as a grandchild of <tt>|</tt>. This is meant to prevent a zombie from hanging around if <em>prog2...</em> fails to wait for its children.</li> <li> <tt>-r</tt> : make <em>prog1...</em> the writer and <em>prog2...</em> the reader. This is the default. </li> @@ -57,7 +57,7 @@ from hanging around if <em>prog2...</em> fails to wait for its children.</li> <h2> Notes </h2> <ul> - <li> You can easily create a chain of pipes: <tt>pipeline a "" pipeline b "" c</tt> + <li> You can easily create a chain of pipes: <tt>| a "" | b "" c</tt> is roughly equivalent to <tt>sh -c 'exec a | b | c'</tt>, except that shells usually run <tt>c</tt> as a child process like <tt>a</tt> and <tt>b</tt>, and <tt>exec</tt> has no |