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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-19 02:53:32 +0000 |
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| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2014-09-19 02:53:32 +0000 |
| commit | bea0037dbdd979603fb0b5be8b43f5478c1f6fec (patch) | |
| tree | 5776ae3af5a3e83d41c7087f70713952b6360988 /doc/s6-head.html | |
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diff --git a/doc/s6-head.html b/doc/s6-head.html new file mode 100644 index 0000000..3fd3360 --- /dev/null +++ b/doc/s6-head.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>s6-portable-utils: the s6-head program</title> + <meta name="Description" content="s6-portable-utils: the s6-head program" /> + <meta name="Keywords" content="s6-portable-utils command s6-head head" /> + <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> --> + </head> +<body> + +<p> +<a href="index.html">s6-portable-utils</a><br /> +<a href="http://skarnet.org/software/">Software</a><br /> +<a href="http://skarnet.org/">skarnet.org</a> +</p> + +<h1> The <tt>s6-head</tt> program </h1> + +<p> + s6-head prints the first lines of its input files. +</p> + +<h2> Interface </h2> + +<pre> + s6-head [ -S ] [ -1..9 | -n <em>lines</em> | -c <em>chars</em> ] <em>file...</em> +</pre> + +<p> + s6-head acts as the generic +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/head.html">head</a> utility. +</p> + +<h2> Extra options </h2> + +<ul> + <li> <tt>-S</tt> : safe mode. s6-head stops reading its input files <em>right after</em> +getting all the lines it needs. The rest of the stream can then be handled by other +utilities without any data loss. </li> + <li> <tt>-1..9</tt> : equivalent to <tt>-n 1</tt> .. <tt>-n 9</tt>. </li> + <li> <tt>-c</tt> <em>chars</em> : cuts after <em>chars</em> characters instead +of <em>lines</em> lines. </li> +</ul> + +<h2> Posixness </h2> + +<p> + s6-head <strong>is</strong> suitable as a Single Unix +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/head.html">head</a> +program. +</p> + +</body> +</html> |