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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: |
Thu, 2 Jan 2020 18:18:46 -0500 (EST) |
CVSROOT: /webcvs/grep
Module name: grep
Changes by: Jim Meyering <meyering> 20/01/02 18:18:45
Index: html_node/Matching-Control.html
===================================================================
RCS file: /webcvs/grep/grep/manual/html_node/Matching-Control.html,v
retrieving revision 1.29
retrieving revision 1.30
diff -u -b -r1.29 -r1.30
--- html_node/Matching-Control.html 30 Dec 2018 06:24:22 -0000 1.29
+++ html_node/Matching-Control.html 2 Jan 2020 23:18:44 -0000 1.30
@@ -2,7 +2,7 @@
<html>
<!-- This manual is for grep, a pattern matching engine.
-Copyright (C) 1999-2002, 2005, 2008-2018 Free Software Foundation,
+Copyright (C) 1999-2002, 2005, 2008-2020 Free Software Foundation,
Inc.
Permission is granted to copy, distribute and/or modify this document
@@ -14,10 +14,10 @@
<!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<title>Matching Control (GNU Grep 3.3)</title>
+<title>Matching Control (GNU Grep 3.4)</title>
-<meta name="description" content="Matching Control (GNU Grep 3.3)">
-<meta name="keywords" content="Matching Control (GNU Grep 3.3)">
+<meta name="description" content="Matching Control (GNU Grep 3.4)">
+<meta name="keywords" content="Matching Control (GNU Grep 3.4)">
<meta name="resource-type" content="document">
<meta name="distribution" content="global">
<meta name="Generator" content="makeinfo">
@@ -79,6 +79,8 @@
<var>patterns</var> separate each pattern from the next.
If this option is used multiple times or is combined with the
<samp>-f</samp> (<samp>--file</samp>) option, search for all patterns given.
+Typically <var>patterns</var> should be quoted when <code>grep</code> is used
+in a shell command.
(<samp>-e</samp> is specified by POSIX.)
</p>
</dd>
@@ -101,7 +103,8 @@
<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
+<p>Ignore case distinctions in patterns and input data,
+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
@@ -118,6 +121,14 @@
(<samp>-i</samp> is specified by POSIX.)
</p>
</dd>
+<dt><samp>--no-ignore-case</samp></dt>
+<dd><a name="index-_002d_002dno_002dignore_002dcase"></a>
+<p>Do not ignore case distinctions in patterns and input data. This is
+the default. This option is useful for passing to shell scripts that
+already use <samp>-i</samp>, in order to cancel its effects because the
+two options override each other.
+</p>
+</dd>
<dt><samp>-v</samp></dt>
<dt><samp>--invert-match</samp></dt>
<dd><a name="index-_002dv"></a>
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