[673b0d8] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[b06ca36] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[673b0d8] | 4 | <!ENTITY % general-entities SYSTEM "../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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[6370fa6] | 7 |
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[6a82dd9] | 8 | <sect1 id="ch-system-grep" role="wrap">
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| 9 | <?dbhtml filename="grep.html"?>
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[673b0d8] | 10 |
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[e747759] | 11 | <sect1info condition="script">
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| 12 | <productname>grep</productname>
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| 13 | <productnumber>&grep-version;</productnumber>
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| 14 | <address>&grep-url;</address>
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| 15 | </sect1info>
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| 16 |
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[6a82dd9] | 17 | <title>Grep-&grep-version;</title>
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[3554fa3a] | 18 |
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[6a82dd9] | 19 | <indexterm zone="ch-system-grep">
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| 20 | <primary sortas="a-Grep">Grep</primary>
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| 21 | </indexterm>
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[73aedd1d] | 22 |
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[6a82dd9] | 23 | <sect2 role="package">
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| 24 | <title/>
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[fa21b3d] | 25 |
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[6a82dd9] | 26 | <para>The Grep package contains programs for searching through files.</para>
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[fa21b3d] | 27 |
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[6a82dd9] | 28 | <segmentedlist>
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| 29 | <segtitle>&buildtime;</segtitle>
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| 30 | <segtitle>&diskspace;</segtitle>
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[fa21b3d] | 31 |
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[6a82dd9] | 32 | <seglistitem>
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[e4a5635] | 33 | <seg>&grep-ch6-sbu;</seg>
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| 34 | <seg>&grep-ch6-du;</seg>
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[6a82dd9] | 35 | </seglistitem>
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| 36 | </segmentedlist>
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[fa21b3d] | 37 |
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[6a82dd9] | 38 | </sect2>
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[73aedd1d] | 39 |
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[6a82dd9] | 40 | <sect2 role="installation">
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| 41 | <title>Installation of Grep</title>
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[73aedd1d] | 42 |
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[6a82dd9] | 43 | <para>The current Grep package has many bugs, especially in the support of
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[e577c86e] | 44 | multibyte locales. The following consolidated patch from Debian fixes some of them,
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| 45 | improves the number of individual tests which are passed, and much improves the
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| 46 | speed in UTF-8 locales:</para>
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[73aedd1d] | 47 |
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[e577c86e] | 48 | <screen><userinput remap="pre">patch -Np1 -i ../&grep-debian-patch;</userinput></screen>
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[73aedd1d] | 49 |
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[6a82dd9] | 50 | <para>Prepare Grep for compilation:</para>
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[5888299] | 51 |
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[c350d43] | 52 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 53 | --bindir=/bin \
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| 54 | --without-included-regex</userinput></screen>
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| 55 |
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| 56 |
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| 57 | <variablelist>
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| 58 | <title>The meaning of the configure switch:</title>
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| 59 | <varlistentry>
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| 60 | <term><parameter>--without-included-regex</parameter></term>
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| 61 | <listitem>
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[1cdaff9] | 62 | <para>The configure check for Glibc's regex library is broken when
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| 63 | building against Glibc-&glibc-version;. This switch forces the use
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| 64 | of Glibc's regex library.</para>
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[c350d43] | 65 | </listitem>
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| 66 | </varlistentry>
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| 67 | </variablelist>
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| 68 |
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[673b0d8] | 69 |
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[01a94005] | 70 | <para>Compile the package:</para>
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[81fd230] | 71 |
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[01a94005] | 72 | <screen><userinput remap="make">make</userinput></screen>
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[81fd230] | 73 |
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[0445a3d] | 74 | <para>To test the results, issue:</para>
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| 75 |
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[e577c86e] | 76 | <screen><userinput remap="test">make check || true</userinput></screen>
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| 77 |
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[921fcd3] | 78 | <para>There are known test failures in the <command>fmbtest.sh</command>
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| 79 | tests. The "|| true" construct is
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| 80 | used to avoid automated build scripts failing due to the test failures.
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| 81 | A good run will show 1 failure from 14 tests, although the test failure
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| 82 | will detail 2 failed sub-tests.</para>
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[81fd230] | 83 |
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[6a82dd9] | 84 | <para>Install the package:</para>
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[81fd230] | 85 |
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[0445a3d] | 86 | <screen><userinput remap="install">make install</userinput></screen>
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[673b0d8] | 87 |
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[6a82dd9] | 88 | </sect2>
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| 89 |
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| 90 | <sect2 id="contents-grep" role="content">
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| 91 | <title>Contents of Grep</title>
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| 92 |
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| 93 | <segmentedlist>
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| 94 | <segtitle>Installed programs</segtitle>
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| 95 |
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| 96 | <seglistitem>
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[2791a8e] | 97 | <seg>egrep, fgrep, and grep</seg>
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[6a82dd9] | 98 | </seglistitem>
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| 99 | </segmentedlist>
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| 100 |
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| 101 | <variablelist>
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| 102 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 103 | <?dbfo list-presentation="list"?>
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| 104 | <?dbhtml list-presentation="table"?>
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| 105 |
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| 106 | <varlistentry id="egrep">
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| 107 | <term><command>egrep</command></term>
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| 108 | <listitem>
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| 109 | <para>Prints lines matching an extended regular expression</para>
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| 110 | <indexterm zone="ch-system-grep egrep">
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| 111 | <primary sortas="b-egrep">egrep</primary>
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| 112 | </indexterm>
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| 113 | </listitem>
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| 114 | </varlistentry>
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| 115 |
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| 116 | <varlistentry id="fgrep">
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| 117 | <term><command>fgrep</command></term>
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| 118 | <listitem>
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| 119 | <para>Prints lines matching a list of fixed strings</para>
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| 120 | <indexterm zone="ch-system-grep fgrep">
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| 121 | <primary sortas="b-fgrep">fgrep</primary>
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| 122 | </indexterm>
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| 123 | </listitem>
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| 124 | </varlistentry>
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| 125 |
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| 126 | <varlistentry id="grep">
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| 127 | <term><command>grep</command></term>
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| 128 | <listitem>
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| 129 | <para>Prints lines matching a basic regular expression</para>
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| 130 | <indexterm zone="ch-system-grep grep">
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| 131 | <primary sortas="b-grep">grep</primary>
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| 132 | </indexterm>
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| 133 | </listitem>
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| 134 | </varlistentry>
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| 135 |
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| 136 | </variablelist>
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| 137 |
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| 138 | </sect2>
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[673b0d8] | 139 |
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| 140 | </sect1>
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