[52d29f7] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[ff769b8c] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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[52d29f7] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[469ad5d0] | 7 | <!ENTITY pcre-download-http " ">
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| 8 | <!ENTITY pcre-download-ftp "ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-&pcre-version;.tar.bz2">
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[3254d63] | 9 | <!ENTITY pcre-md5sum "dbbec9d178ce199e67e98c9a4f994f90">
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| 10 | <!ENTITY pcre-size "564 KB">
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| 11 | <!ENTITY pcre-buildsize "8.9 MB">
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| 12 | <!ENTITY pcre-time "0.2 SBU">
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[52d29f7] | 13 | ]>
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| 14 |
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[9d0cd203] | 15 | <sect1 id="pcre" xreflabel="PCRE-&pcre-version;">
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[469ad5d0] | 16 | <?dbhtml filename="pcre.html"?>
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[4c3474fe] | 17 |
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[469ad5d0] | 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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[4c3474fe] | 22 |
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[469ad5d0] | 23 | <title>PCRE-&pcre-version;</title>
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[4c3474fe] | 24 |
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[469ad5d0] | 25 | <indexterm zone="pcre">
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| 26 | <primary sortas="a-PCRE">PCRE</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to PCRE</title>
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[4c3474fe] | 31 |
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[469ad5d0] | 32 | <para>The <application>PCRE</application> package contains
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| 33 | <application>Perl</application> Compatible Regular Expression
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| 34 | libraries. These are useful for implementing regular expression pattern
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| 35 | matching using the same syntax and semantics as
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| 36 | <application>Perl</application> 5.</para>
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[4c3474fe] | 37 |
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[469ad5d0] | 38 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 39 | <itemizedlist spacing="compact">
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| 40 | <listitem>
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| 41 | <para>Download (HTTP): <ulink url="&pcre-download-http;"/></para>
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| 42 | </listitem>
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| 43 | <listitem>
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| 44 | <para>Download (FTP): <ulink url="&pcre-download-ftp;"/></para>
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| 45 | </listitem>
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| 46 | <listitem>
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| 47 | <para>Download MD5 sum: &pcre-md5sum;</para>
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| 48 | </listitem>
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| 49 | <listitem>
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| 50 | <para>Download size: &pcre-size;</para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>Estimated disk space required: &pcre-buildsize;</para>
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| 54 | </listitem>
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| 55 | <listitem>
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| 56 | <para>Estimated build time: &pcre-time;</para>
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| 57 | </listitem>
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| 58 | </itemizedlist>
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[4c3474fe] | 59 |
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[1039de3] | 60 | <para condition="html" role="usernotes">User Notes:
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| 61 | <ulink url="&blfs-wiki;/pcre"/></para>
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| 62 |
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[469ad5d0] | 63 | </sect2>
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[4c3474fe] | 64 |
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[469ad5d0] | 65 | <sect2 role="installation">
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| 66 | <title>Installation of PCRE</title>
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| 67 |
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[74390482] | 68 | <para>Install <application>PCRE</application> by running
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[469ad5d0] | 69 | the following commands:</para>
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| 70 |
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| 71 | <screen><userinput>./configure --prefix=/usr --enable-utf8 &&
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| 72 | make</userinput></screen>
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[4fa8bf55] | 73 |
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| 74 | <para>To test the results, issue: <command>make runtest</command>.</para>
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[4c3474fe] | 75 |
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[469ad5d0] | 76 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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[4c3474fe] | 77 |
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[c8c8bd0f] | 78 | <screen role="root"><userinput>make install &&
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| 79 | install -v -m755 -d /usr/share/doc/pcre-&pcre-version;/html &&
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| 80 | install -v -m644 doc/html/* /usr/share/doc/pcre-&pcre-version;/html &&
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| 81 | install -v -m644 doc/{Tech.Notes,*.txt} /usr/share/doc/pcre-&pcre-version;</userinput></screen>
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[469ad5d0] | 82 |
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[4c288b0] | 83 | <para>If you reinstall <application>Grep</application> after installing
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| 84 | <application>PCRE</application>, <application>Grep</application> will get
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| 85 | linked against <application>PCRE</application> and may cause problems if
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[74390482] | 86 | <filename class="directory">/usr</filename> is a separate mount point. To avoid
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| 87 | this, either pass the option <option>--disable-perl-regexp</option> when executing
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[4c288b0] | 88 | <command>./configure</command> for <application>Grep</application> or move
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[74390482] | 89 | <filename class="libraryfile">libpcre</filename> to <filename
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[469ad5d0] | 90 | class="directory">/lib</filename> as follows.</para>
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| 91 |
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| 92 | <screen role="root"><userinput>mv -v /usr/lib/libpcre.so.* /lib/ &&
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| 93 | ln -v -sf ../../lib/libpcre.so.0 /usr/lib/libpcre.so</userinput></screen>
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[4c3474fe] | 94 |
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[469ad5d0] | 95 | </sect2>
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[4c3474fe] | 96 |
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[469ad5d0] | 97 | <sect2 role="commands">
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| 98 | <title>Command Explanations</title>
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| 99 |
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[74390482] | 100 | <para><parameter>--enable-utf8</parameter>: This switch includes the code for
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[469ad5d0] | 101 | handling UTF-8 character strings in the library.</para>
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[4c3474fe] | 102 |
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[469ad5d0] | 103 | </sect2>
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[4c3474fe] | 104 |
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[469ad5d0] | 105 | <sect2 role="content">
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| 106 | <title>Contents</title>
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| 107 |
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| 108 | <segmentedlist>
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| 109 | <segtitle>Installed Programs</segtitle>
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| 110 | <segtitle>Installed Libraries</segtitle>
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[4c288b0] | 111 | <segtitle>Installed Directory</segtitle>
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[4c3474fe] | 112 |
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[469ad5d0] | 113 | <seglistitem>
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| 114 | <seg>pcregrep, pcretest, and pcre-config</seg>
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[1039de3] | 115 | <seg>libpcre.{so,a}, libpcrecpp.{so,a} and libpcreposix.{so,a}</seg>
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[61ef9d8d] | 116 | <seg>/usr/share/doc/pcre-&pcre-version;</seg>
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[469ad5d0] | 117 | </seglistitem>
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| 118 | </segmentedlist>
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[4c3474fe] | 119 |
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[469ad5d0] | 120 | <variablelist>
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| 121 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 122 | <?dbfo list-presentation="list"?>
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| 123 | <?dbhtml list-presentation="table"?>
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[4c3474fe] | 124 |
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[469ad5d0] | 125 | <varlistentry id="pcregrep">
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| 126 | <term><command>pcregrep</command></term>
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| 127 | <listitem>
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[74390482] | 128 | <para>is a <command>grep</command> that understands
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[469ad5d0] | 129 | <application>Perl</application> compatible regular expressions.</para>
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| 130 | <indexterm zone="pcre pcregrep">
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| 131 | <primary sortas="b-pcregrep">pcregrep</primary>
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| 132 | </indexterm>
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| 133 | </listitem>
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| 134 | </varlistentry>
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[4c3474fe] | 135 |
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[469ad5d0] | 136 | <varlistentry id="pcretest">
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| 137 | <term><command>pcretest</command></term>
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| 138 | <listitem>
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[74390482] | 139 | <para>can test a <application>Perl</application> compatible
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[469ad5d0] | 140 | regular expression.</para>
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| 141 | <indexterm zone="pcre pcretest">
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| 142 | <primary sortas="b-pcretest">pcretest</primary>
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| 143 | </indexterm>
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| 144 | </listitem>
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| 145 | </varlistentry>
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[4c3474fe] | 146 |
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[469ad5d0] | 147 | <varlistentry id="pcre-config">
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| 148 | <term><command>pcre-config</command></term>
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| 149 | <listitem>
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[74390482] | 150 | <para>is used during the compile process of programs linking to
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[469ad5d0] | 151 | the <application>PCRE</application> libraries.</para>
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| 152 | <indexterm zone="pcre pcre-config">
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| 153 | <primary sortas="b-pcre-config">pcre-config</primary>
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| 154 | </indexterm>
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| 155 | </listitem>
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| 156 | </varlistentry>
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[4c3474fe] | 157 |
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[469ad5d0] | 158 | </variablelist>
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| 159 |
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| 160 | </sect2>
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[f45b1953] | 161 |
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| 162 | </sect1>
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