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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 20:03:23 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-18 20:03:23 +0000 |
| commit | f316a2ed52195135a35e32d7096e876357c48c69 (patch) | |
| tree | 5f4486b9a5a213a69e66ef574d6bc643a207981c /doc/fdmove.html | |
| download | execline-f316a2ed52195135a35e32d7096e876357c48c69.tar.xz | |
initial commit: rc for execline-2.0.0.0
Diffstat (limited to 'doc/fdmove.html')
| -rw-r--r-- | doc/fdmove.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/doc/fdmove.html b/doc/fdmove.html new file mode 100644 index 0000000..8498408 --- /dev/null +++ b/doc/fdmove.html @@ -0,0 +1,55 @@ +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>execline: the fdmove program</title> + <meta name="Description" content="execline: the fdmove program" /> + <meta name="Keywords" content="execline command fdmove file descriptor dup dup2" /> + <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> --> + </head> +<body> + +<p> +<a href="index.html">execline</a><br /> +<a href="http://skarnet.org/software/">Software</a><br /> +<a href="http://skarnet.org/">skarnet.org</a> +</p> + +<h1> The <tt>fdmove</tt> program </h1> + +<p> +<tt>fdmove</tt> moves or copies a given file descriptor, then +executes a program. +</p> + +<h2> Interface </h2> + +<pre> + fdmove [ -c ] <em>fdto</em> <em>fdfrom</em> <em>prog...</em> +</pre> + +<p> +<tt>fdmove</tt> moves the file descriptor number <em>fdfrom</em>, +to number <em>fdto</em>, then execs into <em>prog</em> with its arguments. +If <em>fdto</em> is open, <tt>fdmove</tt> closes it before moving +<em>fdfrom</em> to it. +</p> + +<h2> Options </h2> + +<ul> + <li> <tt>-c</tt> : duplicate <em>fdfrom</em> to <em>fdto</em> +instead of moving it; do not close <em>fdfrom</em>. </li> +</ul> + +<h2> Notes </h2> + +<ul> + <li> <tt>fdmove -c <em>a</em> <em>b</em> prog...</tt> is roughly equivalent to +<tt>sh -c 'exec prog... <em>a</em>>&<em>b</em>'</tt></li> + <li> <tt>fdmove <em>a</em> <em>b</em> prog...</tt> is roughly equivalent to +<tt>sh -c 'exec prog... <em>a</em>>&<em>b</em> <em>b</em><&-'</tt></li> +</ul> + +</body> +</html> |