1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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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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9 | <!ENTITY pcre-md5 "813850808894d99fb5b1c41ec6335d4f">
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10 | <!ENTITY pcre-size "465 KB">
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11 | <!ENTITY pcre-buildsize "5.3 MB">
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12 | <!ENTITY pcre-time "0.11 SBU">
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13 | ]>
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14 |
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15 | <sect1 id="pcre" xreflabel="PCRE-&pcre-version;">
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16 | <sect1info>
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17 | <othername>$LastChangedBy$</othername>
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18 | <date>$Date$</date>
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19 | </sect1info>
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20 | <?dbhtml filename="pcre.html"?>
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21 | <title>PCRE-&pcre-version;</title>
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22 | <indexterm zone="pcre">
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23 | <primary sortas="a-PCRE">PCRE</primary></indexterm>
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24 |
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25 | <sect2>
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26 | <title>Introduction to
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27 | <application><acronym>PCRE</acronym></application></title>
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28 |
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29 | <para>The <application><acronym>PCRE</acronym></application> package contains
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30 | <application>Perl</application> Compatible Regular Expression
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31 | libraries. These are useful for implementing regular expression pattern
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32 | matching using the same syntax and semantics as
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33 | <application>Perl</application> 5.</para>
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34 |
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35 | <sect3><title>Package information</title>
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36 | <itemizedlist spacing='compact'>
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37 | <listitem><para>Download (HTTP): <ulink
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38 | url="&pcre-download-http;"/></para></listitem>
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39 | <listitem><para>Download (FTP): <ulink
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40 | url="&pcre-download-ftp;"/></para></listitem>
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41 | <listitem><para>Download MD5 Sum: &pcre-md5;</para></listitem>
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42 | <listitem><para>Download size: &pcre-size;</para></listitem>
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43 | <listitem><para>Estimated disk space required:
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44 | &pcre-buildsize;</para></listitem>
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45 | <listitem><para>Estimated build time:
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46 | &pcre-time;</para></listitem></itemizedlist>
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47 | </sect3>
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48 | </sect2>
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49 |
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50 | <sect2>
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51 | <title>Installation of
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52 | <application><acronym>PCRE</acronym></application></title>
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53 |
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54 | <para>Install <application><acronym>PCRE</acronym></application> by running
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55 | the following commands:</para>
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56 |
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57 | <screen><userinput><command>./configure --prefix=/usr --enable-utf8 &&
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58 | make</command></userinput></screen>
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59 |
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60 | <para>Now, as the root user:</para>
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61 |
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62 | <screen><userinput role='root'><command>make install</command></userinput></screen>
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63 |
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64 | <para>If you reinstall <application>grep</application> after installing
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65 | <application>pcre</application>, <application>grep</application> will get
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66 | linked against <application>pcre</application> and may cause problems if
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67 | <filename>/usr</filename> is a separate mount point. To avoid this, either
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68 | pass the option <emphasis>--disable-perl-regexp</emphasis> when executing
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69 | <command>./configure</command> for <application>grep</application> or move
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70 | <filename>libpcre</filename> to <filename>/lib</filename> as follows.</para>
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71 |
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72 | <screen><userinput><command>mv -v /usr/lib/libpcre.so.* /lib/ &&
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73 | ln -v -sf ../../lib/libpcre.so.0 /usr/lib/libpcre.so</command></userinput></screen>
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74 |
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75 | </sect2>
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76 |
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77 | <sect2>
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78 | <title>Command explanations</title>
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79 |
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80 | <para><parameter>--enable-utf8</parameter>: This switch includes the code for
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81 | handling <acronym>UTF</acronym>-8 character strings in the library.</para>
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82 |
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83 | </sect2>
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84 |
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85 | <sect2>
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86 | <title>Contents</title>
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87 |
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88 | <segmentedlist>
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89 | <segtitle>Installed Programs</segtitle>
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90 | <segtitle>Installed Libraries</segtitle>
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91 | <segtitle>Installed Directories</segtitle>
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92 |
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93 | <seglistitem>
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94 | <seg>pcregrep, pcretest and pcre-config</seg>
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95 | <seg>libpcre.[so,a] and libpcreposix.[so,a]</seg>
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96 | <seg>None</seg>
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97 | </seglistitem>
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98 | </segmentedlist>
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99 |
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100 | <variablelist>
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101 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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102 | <?dbfo list-presentation="list"?>
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103 |
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104 | <varlistentry id="pcregrep">
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105 | <term><command>pcregrep</command></term>
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106 | <listitem><para>is a <command>grep</command> that understands
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107 | <application>Perl</application> compatible regular expressions.</para>
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108 | <indexterm zone="pcre pcregrep">
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109 | <primary sortas="b-pcregrep">pcregrep</primary>
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110 | </indexterm></listitem>
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111 | </varlistentry>
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112 |
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113 | <varlistentry id="pcretest">
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114 | <term><command>pcretest</command></term>
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115 | <listitem><para>can test a <application>Perl</application> compatible
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116 | regular expression.</para>
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117 | <indexterm zone="pcre pcretest">
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118 | <primary sortas="b-pcretest">pcretest</primary>
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119 | </indexterm></listitem>
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120 | </varlistentry>
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121 |
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122 | <varlistentry id="pcre-config">
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123 | <term><command>pcre-config</command></term>
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124 | <listitem><para>is used during the compile process of programs linking to
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125 | the <application>PCRE</application> libraries.</para>
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126 | <indexterm zone="pcre pcre-config">
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127 | <primary sortas="b-pcre-config">pcre-config</primary>
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128 | </indexterm></listitem>
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129 | </varlistentry>
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130 | </variablelist>
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131 |
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132 | </sect2>
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133 |
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134 | </sect1>
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135 |
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