CVSROOT: /web/grep Module name: grep Changes by: Karl Berry <karl> 09/05/24 18:43:01
Index: manual/html_node/Matching-Control.html =================================================================== RCS file: manual/html_node/Matching-Control.html diff -N manual/html_node/Matching-Control.html --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ manual/html_node/Matching-Control.html 24 May 2009 18:42:59 -0000 1.1 @@ -0,0 +1,82 @@ +<html lang="en"> +<head> +<title>Matching Control - GNU Grep 2.5.4</title> +<meta http-equiv="Content-Type" content="text/html"> +<meta name="description" content="GNU Grep 2.5.4"> +<meta name="generator" content="makeinfo 4.13"> +<link title="Top" rel="start" href="index.html#Top"> +<link rel="up" href="Command_002dline-Options.html#Command_002dline-Options" title="Command-line Options"> +<link rel="prev" href="Generic-Program-Information.html#Generic-Program-Information" title="Generic Program Information"> +<link rel="next" href="General-Output-Control.html#General-Output-Control" title="General Output Control"> +<link href="http://www.gnu.org/software/texinfo/"; rel="generator-home" title="Texinfo Homepage"> +<!-- +This manual is for `grep', a pattern matching engine. + +Copyright (C) 1999, 2000, 2001, 2002, 2005, 2008, 2009 Free +Software Foundation, Inc. + + Permission is granted to copy, distribute and/or modify this + document under the terms of the GNU Free Documentation License, + Version 1.3 or any later version published by the Free Software + Foundation; with no Invariant Sections, with no Front-Cover Texts, + and with no Back-Cover Texts. A copy of the license is included + in the section entitled ``GNU Free Documentation License''. + --> +<meta http-equiv="Content-Style-Type" content="text/css"> +<style type="text/css"><!-- + pre.display { font-family:inherit } + pre.format { font-family:inherit } + pre.smalldisplay { font-family:inherit; font-size:smaller } + pre.smallformat { font-family:inherit; font-size:smaller } + pre.smallexample { font-size:smaller } + pre.smalllisp { font-size:smaller } + span.sc { font-variant:small-caps } + span.roman { font-family:serif; font-weight:normal; } + span.sansserif { font-family:sans-serif; font-weight:normal; } +--></style> +</head> +<body> +<div class="node"> +<a name="Matching-Control"></a> +<p> +Next: <a rel="next" accesskey="n" href="General-Output-Control.html#General-Output-Control">General Output Control</a>, +Previous: <a rel="previous" accesskey="p" href="Generic-Program-Information.html#Generic-Program-Information">Generic Program Information</a>, +Up: <a rel="up" accesskey="u" href="Command_002dline-Options.html#Command_002dline-Options">Command-line Options</a> +<hr> +</div> + +<h4 class="subsection">2.1.2 Matching Control</h4> + + <dl> +<dt>‘<samp><span class="samp">-e </span><var>pattern</var></samp>’<dt>‘<samp><span class="samp">--regexp=</span><var>pattern</var></samp>’<dd><a name="index-g_t_002de-7"></a><a name="index-g_t_002d_002dregexp_003d_0040var_007bpattern_007d-8"></a><a name="index-pattern-list-9"></a>Use <var>pattern</var> as the pattern. +This can be used to specify multiple search patterns, +or to protect a pattern beginning with a ‘<samp><span class="samp">-</span></samp>’. +(‘<samp><span class="samp">-e</span></samp>’ is specified by <span class="sc">posix</span>.) + + <br><dt>‘<samp><span class="samp">-f </span><var>file</var></samp>’<dt>‘<samp><span class="samp">--file=</span><var>file</var></samp>’<dd><a name="index-g_t_002df-10"></a><a name="index-g_t_002d_002dfile-11"></a><a name="index-pattern-from-file-12"></a>Obtain patterns from <var>file</var>, one per line. +The empty file contains zero patterns, and therefore matches nothing. +(‘<samp><span class="samp">-f</span></samp>’ is specified by <span class="sc">posix</span>.) + + <br><dt>‘<samp><span class="samp">-i</span></samp>’<dt>‘<samp><span class="samp">-y</span></samp>’<dt>‘<samp><span class="samp">--ignore-case</span></samp>’<dd><a name="index-g_t_002di-13"></a><a name="index-g_t_002dy-14"></a><a name="index-g_t_002d_002dignore_002dcase-15"></a><a name="index-case-insensitive-search-16"></a>Ignore case distinctions in both the pattern and the input files. +‘<samp><span class="samp">-y</span></samp>’ is an obsolete synonym that is provided for compatibility. +(‘<samp><span class="samp">-i</span></samp>’ is specified by <span class="sc">posix</span>.) + + <br><dt>‘<samp><span class="samp">-v</span></samp>’<dt>‘<samp><span class="samp">--invert-match</span></samp>’<dd><a name="index-g_t_002dv-17"></a><a name="index-g_t_002d_002dinvert_002dmatch-18"></a><a name="index-invert-matching-19"></a><a name="index-print-non_002dmatching-lines-20"></a>Invert the sense of matching, to select non-matching lines. +(‘<samp><span class="samp">-v</span></samp>’ is specified by <span class="sc">posix</span>.) + + <br><dt>‘<samp><span class="samp">-w</span></samp>’<dt>‘<samp><span class="samp">--word-regexp</span></samp>’<dd><a name="index-g_t_002dw-21"></a><a name="index-g_t_002d_002dword_002dregexp-22"></a><a name="index-matching-whole-words-23"></a>Select only those lines containing matches that form whole words. +The test is that the matching substring must either +be at the beginning of the line, +or preceded by a non-word constituent character. +Similarly, +it must be either at the end of the line +or followed by a non-word constituent character. +Word-constituent characters are letters, digits, and the underscore. + + <br><dt>‘<samp><span class="samp">-x</span></samp>’<dt>‘<samp><span class="samp">--line-regexp</span></samp>’<dd><a name="index-g_t_002dx-24"></a><a name="index-g_t_002d_002dline_002dregexp-25"></a><a name="index-match-the-whole-line-26"></a>Select only those matches that exactly match the whole line. +(‘<samp><span class="samp">-x</span></samp>’ is specified by <span class="sc">posix</span>.) + +</dl> + + </body></html> +
