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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-grep.html | |
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diff --git a/doc/s6-grep.html b/doc/s6-grep.html new file mode 100644 index 0000000..fc0cb1b --- /dev/null +++ b/doc/s6-grep.html @@ -0,0 +1,67 @@ +<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-grep program</title> + <meta name="Description" content="s6-portable-utils: the s6-grep program" /> + <meta name="Keywords" content="s6-portable-utils command s6-grep grep" /> + <!-- <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-grep</tt> program </h1> + +<p> + s6-grep matches its input against a pattern. +</p> + +<h2> Interface </h2> + +<pre> + s6-grep [ -E | -F ] [ -i ] [ -c ] [ -n ] [ -q ] [ -v ] <em>pattern</em> +</pre> + +<ul> + <li> s6-grep compiles <em>pattern</em> as an +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_03">Basic +Regular Expression</a> </li> + <li> It reads stdin and matches every line against this regexp </li> + <li> If the line matches, it prints it to stdout </li> + <li> It exits on EOF with code 0 if one or more lines matched and 1 +otherwise. </li> +</ul> + +<h2> Options </h2> + +<ul> + <li> <tt>-F</tt> : <em>pattern</em> is not compiled as a BRE, but is +interpreted as a literal string. </li> + <li> <tt>-E</tt> : <em>pattern</em> is not compiled as a BRE, but as an +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_04">Extended +Regular Expression</a> (ERE). </li> + <li> <tt>-i</tt> : ignore case during the match </li> + <li> <tt>-c</tt> : do not write normal output; only write the number of +lines that have matched <em>pattern</em> after EOF is received </li> + <li> <tt>-n</tt> : precede every output line by its number and a colon. +The first input line has number 1. </li> + <li> <tt>-q</tt> : do not write anything to stdout </li> + <li> <tt>-v</tt> : invert the pattern matching (select lines that do not +match <em>pattern</em>). </li> +</ul> + +<h2> Posixness </h2> + +<p> + s6-grep <strong>is not</strong> suitable as a Single Unix +<a href="http://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html">grep</a> +program. +</p> + +</body> +</html> |