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Changes to grep/manual/html_node/Matching-Control.html,v
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From: |
Jim Meyering |
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Subject: |
Changes to grep/manual/html_node/Matching-Control.html,v |
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Date: |
Fri, 05 Feb 2016 00:45:04 +0000 |
CVSROOT: /webcvs/grep
Module name: grep
Changes by: Jim Meyering <meyering> 16/02/05 00:44:53
Index: html_node/Matching-Control.html
===================================================================
RCS file: /webcvs/grep/grep/manual/html_node/Matching-Control.html,v
retrieving revision 1.21
retrieving revision 1.22
diff -u -b -r1.21 -r1.22
--- html_node/Matching-Control.html 2 Nov 2015 02:54:35 -0000 1.21
+++ html_node/Matching-Control.html 5 Feb 2016 00:44:52 -0000 1.22
@@ -1,64 +1,105 @@
-<html lang="en">
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd";>
+<html>
+<!-- This manual is for grep, a pattern matching engine.
+
+Copyright (C) 1999-2002, 2005, 2008-2016 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". -->
+<!-- Created by GNU Texinfo 6.0, http://www.gnu.org/software/texinfo/ -->
<head>
-<title>Matching Control - GNU Grep 2.22</title>
+<title>GNU Grep 2.23: Matching Control</title>
+
+<meta name="description" content="GNU Grep 2.23: Matching Control">
+<meta name="keywords" content="GNU Grep 2.23: Matching Control">
+<meta name="resource-type" content="document">
+<meta name="distribution" content="global">
+<meta name="Generator" content="makeinfo">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="description" content="GNU Grep 2.22">
-<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">
+<link href="index.html#Top" rel="start" title="Top">
+<link href="Index.html#Index" rel="index" title="Index">
+<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
+<link href="Command_002dline-Options.html#Command_002dline-Options" rel="up"
title="Command-line Options">
+<link href="General-Output-Control.html#General-Output-Control" rel="next"
title="General Output Control">
+<link href="Generic-Program-Information.html#Generic-Program-Information"
rel="prev" title="Generic Program Information">
+<style type="text/css">
<!--
-This manual is for `grep', a pattern matching engine.
+a.summary-letter {text-decoration: none}
+blockquote.indentedblock {margin-right: 0em}
+blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
+blockquote.smallquotation {font-size: smaller}
+div.display {margin-left: 3.2em}
+div.example {margin-left: 3.2em}
+div.lisp {margin-left: 3.2em}
+div.smalldisplay {margin-left: 3.2em}
+div.smallexample {margin-left: 3.2em}
+div.smalllisp {margin-left: 3.2em}
+kbd {font-style: oblique}
+pre.display {font-family: inherit}
+pre.format {font-family: inherit}
+pre.menu-comment {font-family: serif}
+pre.menu-preformatted {font-family: serif}
+pre.smalldisplay {font-family: inherit; font-size: smaller}
+pre.smallexample {font-size: smaller}
+pre.smallformat {font-family: inherit; font-size: smaller}
+pre.smalllisp {font-size: smaller}
+span.nocodebreak {white-space: nowrap}
+span.nolinebreak {white-space: nowrap}
+span.roman {font-family: serif; font-weight: normal}
+span.sansserif {font-family: sans-serif; font-weight: normal}
+ul.no-bullet {list-style: none}
+-->
+</style>
+<link rel="stylesheet" type="text/css" href="/software/gnulib/manual.css">
-Copyright (C) 1999-2002, 2005, 2008-2015 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>
-<link rel="stylesheet" type="text/css" href="/software/gnulib/manual.css">
</head>
-<body>
-<div class="node">
+
+<body lang="en">
<a name="Matching-Control"></a>
+<div class="header">
<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>
+Next: <a href="General-Output-Control.html#General-Output-Control"
accesskey="n" rel="next">General Output Control</a>, Previous: <a
href="Generic-Program-Information.html#Generic-Program-Information"
accesskey="p" rel="prev">Generic Program Information</a>, Up: <a
href="Command_002dline-Options.html#Command_002dline-Options" accesskey="u"
rel="up">Command-line Options</a> [<a href="index.html#SEC_Contents"
title="Table of contents" rel="contents">Contents</a>][<a
href="Index.html#Index" title="Index" rel="index">Index</a>]</p>
</div>
-
+<hr>
+<a name="Matching-Control-1"></a>
<h4 class="subsection">2.1.2 Matching Control</h4>
- <dl>
-<dt><samp><span class="option">-e
</span><var>pattern</var></samp><dt><samp><span
class="option">--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.
+<dl compact="compact">
+<dt><samp>-e <var>pattern</var></samp></dt>
+<dt><samp>--regexp=<var>pattern</var></samp></dt>
+<dd><a name="index-_002de"></a>
+<a name="index-_002d_002dregexp_003dpattern"></a>
+<a name="index-pattern-list"></a>
+<p>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="option">-e</span></samp> is specified by POSIX.)
-
- <br><dt><samp><span class="option">-f
</span><var>file</var></samp><dt><samp><span
class="option">--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.
+or to protect a pattern beginning with a ‘<samp>-</samp>’.
+(<samp>-e</samp> is specified by POSIX.)
+</p>
+</dd>
+<dt><samp>-f <var>file</var></samp></dt>
+<dt><samp>--file=<var>file</var></samp></dt>
+<dd><a name="index-_002df"></a>
+<a name="index-_002d_002dfile"></a>
+<a name="index-pattern-from-file"></a>
+<p>Obtain patterns from <var>file</var>, one per line.
The empty file contains zero patterns, and therefore matches nothing.
-(<samp><span class="option">-f</span></samp> is specified by POSIX.)
-
- <br><dt><samp><span class="option">-i</span></samp><dt><samp><span
class="option">-y</span></samp><dt><samp><span
class="option">--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, so that
characters that differ only in case
+(<samp>-f</samp> is specified by POSIX.)
+</p>
+</dd>
+<dt><samp>-i</samp></dt>
+<dt><samp>-y</samp></dt>
+<dt><samp>--ignore-case</samp></dt>
+<dd><a name="index-_002di"></a>
+<a name="index-_002dy"></a>
+<a name="index-_002d_002dignore_002dcase"></a>
+<a name="index-case-insensitive-search"></a>
+<p>Ignore case distinctions, so that characters that differ only in case
match each other. Although this is straightforward when letters
differ in case only via lowercase-uppercase pairs, the behavior is
unspecified in other situations. For example, uppercase “S” has an
@@ -70,14 +111,27 @@
two-character string “SS” but it does not match “SS”,
and it might
not match the uppercase letter “Ẕ (U+1E9E, LATIN CAPITAL LETTER
SHARP S) even though lowercasing the latter yields the former.
-
- <p><samp><span class="option">-y</span></samp> is an obsolete synonym
that is provided for compatibility.
-(<samp><span class="option">-i</span></samp> is specified by POSIX.)
-
- <br><dt><samp><span class="option">-v</span></samp><dt><samp><span
class="option">--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="option">-v</span></samp> is specified by POSIX.)
-
- <br><dt><samp><span class="option">-w</span></samp><dt><samp><span
class="option">--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.
+</p>
+<p><samp>-y</samp> is an obsolete synonym that is provided for compatibility.
+(<samp>-i</samp> is specified by POSIX.)
+</p>
+</dd>
+<dt><samp>-v</samp></dt>
+<dt><samp>--invert-match</samp></dt>
+<dd><a name="index-_002dv"></a>
+<a name="index-_002d_002dinvert_002dmatch"></a>
+<a name="index-invert-matching"></a>
+<a name="index-print-non_002dmatching-lines"></a>
+<p>Invert the sense of matching, to select non-matching lines.
+(<samp>-v</samp> is specified by POSIX.)
+</p>
+</dd>
+<dt><samp>-w</samp></dt>
+<dt><samp>--word-regexp</samp></dt>
+<dd><a name="index-_002dw"></a>
+<a name="index-_002d_002dword_002dregexp"></a>
+<a name="index-matching-whole-words"></a>
+<p>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.
@@ -85,11 +139,29 @@
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.
+This option has no effect if <samp>-x</samp> is also specified.
+</p>
+</dd>
+<dt><samp>-x</samp></dt>
+<dt><samp>--line-regexp</samp></dt>
+<dd><a name="index-_002dx"></a>
+<a name="index-_002d_002dline_002dregexp"></a>
+<a name="index-match-the-whole-line"></a>
+<p>Select only those matches that exactly match the whole line.
+For a regular expression pattern, this is like parenthesizing the
+pattern and then surrounding it with ‘<samp>^</samp>’ and
‘<samp>$</samp>’.
+(<samp>-x</samp> is specified by POSIX.)
+</p>
+</dd>
+</dl>
- <br><dt><samp><span class="option">-x</span></samp><dt><samp><span
class="option">--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="option">-x</span></samp> is specified by POSIX.)
+<hr>
+<div class="header">
+<p>
+Next: <a href="General-Output-Control.html#General-Output-Control"
accesskey="n" rel="next">General Output Control</a>, Previous: <a
href="Generic-Program-Information.html#Generic-Program-Information"
accesskey="p" rel="prev">Generic Program Information</a>, Up: <a
href="Command_002dline-Options.html#Command_002dline-Options" accesskey="u"
rel="up">Command-line Options</a> [<a href="index.html#SEC_Contents"
title="Table of contents" rel="contents">Contents</a>][<a
href="Index.html#Index" title="Index" rel="index">Index</a>]</p>
+</div>
-</dl>
- </body></html>
+</body>
+</html>
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