diff options
| author | Laurent Bercot <ska-skaware@skarnet.org> | 2018-03-16 08:18:53 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2018-03-16 08:18:53 +0000 |
| commit | 77a47b2c5e7c3243743bd8d7594366f498e9cef7 (patch) | |
| tree | fb807c0b0c20db34f5108df67da6b4d64e5bc8e6 /doc/if.html | |
| parent | 3fde941ae33bd70edf015b3c72997aef703ebf6d (diff) | |
| download | execline-77a47b2c5e7c3243743bd8d7594366f498e9cef7.tar.xz | |
More modifications, and doc change
Diffstat (limited to 'doc/if.html')
| -rw-r--r-- | doc/if.html | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/doc/if.html b/doc/if.html index 700ee59..09f944a 100644 --- a/doc/if.html +++ b/doc/if.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 if command</title> - <meta name="Description" content="execline: the if command" /> - <meta name="Keywords" content="execline command if" /> + <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>if</tt> program </h1> +<h1> The <tt>&&</tt> program </h1> <p> -<tt>if</tt> performs conditional execution. +<tt>&&</tt> performs conditional execution. </p> <h2> Interface </h2> @@ -29,18 +29,18 @@ </p> <pre> - if [ -X ] [ -n ] [ -t | -x <em>exitcode</em> ] { <em>prog1...</em> } <em>prog2...</em> + && [ -X ] [ -n ] [ -t | -x <em>exitcode</em> ] { <em>prog1...</em> } <em>prog2...</em> </pre> <ul> - <li> <tt>if</tt> reads <em>prog1...</em> in a + <li> <tt>&&</tt> reads <em>prog1...</em> in a <a href="el_semicolon.html">block</a>. It forks and executes it, then waits for it to complete. </li> - <li> If <em>prog1</em> crashes, <tt>if</tt> prints an error message + <li> If <em>prog1</em> crashes, <tt>&&</tt> prints an error message then exits 128 plus the number of the signal that killed <em>prog1</em>. </li> <li> If <em>prog1</em> exits a non-zero status, -<tt>if</tt> exits 1.</li> - <li> Else <tt>if</tt> execs into <em>prog2</em>. </li> +<tt>&&</tt> exits 1.</li> + <li> Else <tt>&&</tt> execs into <em>prog2</em>. </li> </ul> <h2> Options </h2> @@ -56,12 +56,12 @@ This is equivalent to <tt>-x 0</tt>. </li> <h2> Notes </h2> <ul> - <li> <tt>if</tt> will exit if <em>prog1...</em> exits false. To use it in + <li> <tt>&&</tt> will exit if <em>prog1...</em> exits false. To use it in an execline script that must run <em>prog3...</em> no matter the result of -the test, use a <tt>foreground</tt> wrapper: -<pre> foreground { if { <em>prog1...</em> } <em>prog2...</em> } <em>prog3...</em> </pre> +the test, use a <tt>;</tt> wrapper: +<pre> ; { && { <em>prog1...</em> } <em>prog2...</em> } <em>prog3...</em> </pre> (in <a href="execlineb.html">execlineb</a> syntax) </li> - <li> <tt>if <em>prog1...</em> "" <em>prog2...</em></tt> is + <li> <tt>&& <em>prog1...</em> "" <em>prog2...</em></tt> is equivalent to <tt>sh -c '<em>prog1...</em> && exec <em>prog2...</em>'</tt>. </li> </ul> |