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Changes to doc/grep_8.html
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From: |
Karl Berry |
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Subject: |
Changes to doc/grep_8.html |
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Date: |
Sun, 24 May 2009 18:43:18 +0000 |
CVSROOT: /web/grep
Module name: grep
Changes by: Karl Berry <karl> 09/05/24 18:43:01
Index: doc/grep_8.html
===================================================================
RCS file: doc/grep_8.html
diff -N doc/grep_8.html
--- doc/grep_8.html 23 Jan 2002 10:33:52 -0000 1.3
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,238 +0,0 @@
-<HTML>
-<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<!-- Created on January, 23 2002 by texi2html 1.64 -->
-<!--
-Written by: Lionel Cons <address@hidden> (original author)
- Karl Berry <address@hidden>
- Olaf Bachmann <address@hidden>
- and many others.
-Maintained by: Olaf Bachmann <address@hidden>
-Send bugs and suggestions to <address@hidden>
-
--->
-<HEAD>
-<TITLE>grep, print lines matching a pattern: 5.1 Character Class</TITLE>
-
-<META NAME="description" CONTENT="grep, print lines matching a pattern: 5.1
Character Class">
-<META NAME="keywords" CONTENT="grep, print lines matching a pattern: 5.1
Character Class">
-<META NAME="resource-type" CONTENT="document">
-<META NAME="distribution" CONTENT="global">
-<META NAME="Generator" CONTENT="texi2html 1.64">
-
-</HEAD>
-
-<BODY LANG="" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080"
ALINK="#FF0000">
-
-<A NAME="SEC8"></A>
-<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0>
-<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_7.html#SEC7"> <
</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_9.html#SEC9"> > </A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A
HREF="grep_7.html#SEC7"> << </A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_7.html#SEC7"> Up </A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_13.html#SEC13"> >>
</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">
<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE"
ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A
HREF="grep.html#SEC_Top">Top</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A
HREF="grep_toc.html#SEC_Contents">Contents</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_21.html#SEC21">Index</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_abt.html#SEC_About"> ?
</A>]</TD>
-</TR></TABLE>
-<HR SIZE=1>
-<H2> 5.1 Character Class </H2>
-<!--docid::SEC8::-->
-<P>
-
-<A NAME="IDX176"></A>
-<A NAME="IDX177"></A>
-A <EM>bracket expression</EM> is a list of characters enclosed by
<SAMP>`['</SAMP> and
-<SAMP>`]'</SAMP>. It matches any single character in that list; if the first
-character of the list is the caret <SAMP>`^'</SAMP>, then it matches any
character
-<STRONG>not</STRONG> in the list. For example, the regular expression
-<SAMP>`[0123456789]'</SAMP> matches any single digit.
-</P><P>
-
-<A NAME="IDX178"></A>
-Within a bracket expression, a <EM>range expression</EM> consists of two
-characters separated by a hyphen. It matches any single character that
-sorts between the two characters, inclusive, using the locale's
-collating sequence and character set. For example, in the default C
-locale, <SAMP>`[a-d]'</SAMP> is equivalent to <SAMP>`[abcd]'</SAMP>. Many
locales sort
-characters in dictionary order, and in these locales <SAMP>`[a-d]'</SAMP> is
-typically not equivalent to <SAMP>`[abcd]'</SAMP>; it might be equivalent to
-<SAMP>`[aBbCcDd]'</SAMP>, for example. To obtain the traditional
interpretation
-of bracket expressions, you can use the C locale by setting the
-<CODE>LC_ALL</CODE> environment variable to the value <SAMP>`C'</SAMP>.
-</P><P>
-
-Finally, certain named classes of characters are predefined within
-bracket expressions, as follows.
-Their interpretation depends on the <CODE>LC_CTYPE</CODE> locale; the
-interpretation below is that of the C locale, which is the default
-if no <CODE>LC_CTYPE</CODE> locale is specified.
-</P><P>
-
-<A NAME="IDX179"></A>
-<A NAME="IDX180"></A>
-<DL COMPACT>
-
-<DT><SAMP>`[:alnum:]'</SAMP>
-<DD><A NAME="IDX181"></A>
-<A NAME="IDX182"></A>
-Alphanumeric characters:
-<SAMP>`[:alpha:]'</SAMP> and <SAMP>`[:digit:]'</SAMP>.
-<P>
-
-<DT><SAMP>`[:alpha:]'</SAMP>
-<DD><A NAME="IDX183"></A>
-<A NAME="IDX184"></A>
-Alphabetic characters:
-<SAMP>`[:lower:]'</SAMP> and <SAMP>`[:upper:]'</SAMP>.
-<P>
-
-<DT><SAMP>`[:blank:]'</SAMP>
-<DD><A NAME="IDX185"></A>
-<A NAME="IDX186"></A>
-Blank characters:
-space and tab.
-<P>
-
-<DT><SAMP>`[:cntrl:]'</SAMP>
-<DD><A NAME="IDX187"></A>
-<A NAME="IDX188"></A>
-Control characters. In ASCII, these characters have octal codes 000
-through 037, and 177 (<CODE>DEL</CODE>). In other character sets, these are
-the equivalent characters, if any.
-<P>
-
-<DT><SAMP>`[:digit:]'</SAMP>
-<DD><A NAME="IDX189"></A>
-<A NAME="IDX190"></A>
-<A NAME="IDX191"></A>
-Digits: <CODE>0 1 2 3 4 5 6 7 8 9</CODE>.
-<P>
-
-<DT><SAMP>`[:graph:]'</SAMP>
-<DD><A NAME="IDX192"></A>
-<A NAME="IDX193"></A>
-Graphical characters:
-<SAMP>`[:alnum:]'</SAMP> and <SAMP>`[:punct:]'</SAMP>.
-<P>
-
-<DT><SAMP>`[:lower:]'</SAMP>
-<DD><A NAME="IDX194"></A>
-<A NAME="IDX195"></A>
-Lower-case letters:
-<CODE>a b c d e f g h i j k l m n o p q r s t u v w x y z</CODE>.
-<P>
-
-<DT><SAMP>`[:print:]'</SAMP>
-<DD><A NAME="IDX196"></A>
-<A NAME="IDX197"></A>
-Printable characters:
-<SAMP>`[:alnum:]'</SAMP>, <SAMP>`[:punct:]'</SAMP>, and space.
-<P>
-
-<DT><SAMP>`[:punct:]'</SAMP>
-<DD><A NAME="IDX198"></A>
-<A NAME="IDX199"></A>
-Punctuation characters:
-<CODE>! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _ ` { |
} ~</CODE>.
-<P>
-
-<DT><SAMP>`[:space:]'</SAMP>
-<DD><A NAME="IDX200"></A>
-<A NAME="IDX201"></A>
-<A NAME="IDX202"></A>
-Space characters:
-tab, newline, vertical tab, form feed, carriage return, and space.
-<P>
-
-<DT><SAMP>`[:upper:]'</SAMP>
-<DD><A NAME="IDX203"></A>
-<A NAME="IDX204"></A>
-Upper-case letters:
-<CODE>A B C D E F G H I J K L M N O P Q R S T U V W X Y Z</CODE>.
-<P>
-
-<DT><SAMP>`[:xdigit:]'</SAMP>
-<DD><A NAME="IDX205"></A>
-<A NAME="IDX206"></A>
-<A NAME="IDX207"></A>
-Hexadecimal digits:
-<CODE>0 1 2 3 4 5 6 7 8 9 A B C D E F a b c d e f</CODE>.
-<P>
-
-</DL>
-For example, <SAMP>`[[:alnum:]]'</SAMP> means <SAMP>`[0-9A-Za-z]'</SAMP>,
except the latter
-depends upon the C locale and the ASCII character
-encoding, whereas the former is independent of locale and character set.
-(Note that the brackets in these class names are
-part of the symbolic names, and must be included in addition to
-the brackets delimiting the bracket list.)
-<P>
-
-Most metacharacters lose their special meaning inside lists.
-</P><P>
-
-<DL COMPACT>
-<DT><SAMP>`]'</SAMP>
-<DD>ends the list if it's not the first list item. So, if you want to make
-the <SAMP>`]'</SAMP> character a list item, you must put it first.
-<P>
-
-<DT><SAMP>`[.'</SAMP>
-<DD>represents the open collating symbol.
-<P>
-
-<DT><SAMP>`.]'</SAMP>
-<DD>represents the close collating symbol.
-<P>
-
-<DT><SAMP>`[='</SAMP>
-<DD>represents the open equivalence class.
-<P>
-
-<DT><SAMP>`=]'</SAMP>
-<DD>represents the close equivalence class.
-<P>
-
-<DT><SAMP>`[:'</SAMP>
-<DD>represents the open character class followed by a valid character class
name.
-<P>
-
-<DT><SAMP>`:]'</SAMP>
-<DD>represents the close character class followed by a valid character class
name.
-<P>
-
-<DT><SAMP>`-'</SAMP>
-<DD>represents the range if it's not first or last in a list or the ending
point
-of a range.
-<P>
-
-<DT><SAMP>`^'</SAMP>
-<DD>represents the characters not in the list. If you want to make the
<SAMP>`^'</SAMP>
-character a list item, place it anywhere but first.
-<P>
-
-</DL>
-<P>
-
-<HR SIZE=1>
-<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0>
-<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_7.html#SEC7"> <
</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_9.html#SEC9"> > </A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A
HREF="grep_7.html#SEC7"> << </A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_7.html#SEC7"> Up </A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_13.html#SEC13"> >>
</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">
<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE"
ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A
HREF="grep.html#SEC_Top">Top</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A
HREF="grep_toc.html#SEC_Contents">Contents</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_21.html#SEC21">Index</A>]</TD>
-<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="grep_abt.html#SEC_About"> ?
</A>]</TD>
-</TR></TABLE>
-<BR>
-<FONT SIZE="-1">
-This document was generated
-by <I>root</I> on <I>January, 23 2002</I>
-using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html
-"><I>texi2html</I></A>
-
-</BODY>
-</HTML>
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