1 | <?xml version="1.0" encoding="UTF-8"?>
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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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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 "https://sourceforge.net/projects/pcre/files/pcre/8.45/pcre-&pcre-version;.tar.bz2">
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8 | <!ENTITY pcre-download-ftp " ">
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9 | <!ENTITY pcre-md5sum "4452288e6a0eefb2ab11d36010a1eebb">
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10 | <!ENTITY pcre-size "1.5 MB">
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11 | <!ENTITY pcre-buildsize "23 MB (with tests)">
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12 | <!ENTITY pcre-time "0.3 SBU (with tests)">
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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 | <?dbhtml filename="pcre.html"?>
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17 |
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18 |
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19 | <title>PCRE-&pcre-version;</title>
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20 |
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21 | <indexterm zone="pcre">
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22 | <primary sortas="a-PCRE">PCRE</primary>
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23 | </indexterm>
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24 |
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25 | <sect2 role="package">
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26 | <title>Introduction to PCRE</title>
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27 |
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28 | <para>
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29 | The <application>PCRE</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
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32 | pattern matching using the same syntax and semantics as
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33 | <application>Perl</application> 5.
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34 | </para>
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35 |
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36 | &lfs121_checked;
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37 |
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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>
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42 | Download (HTTP): <ulink url="&pcre-download-http;"/>
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43 | </para>
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44 | </listitem>
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45 | <listitem>
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46 | <para>
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47 | Download (FTP): <ulink url="&pcre-download-ftp;"/>
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48 | </para>
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49 | </listitem>
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50 | <listitem>
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51 | <para>
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52 | Download MD5 sum: &pcre-md5sum;
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53 | </para>
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54 | </listitem>
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55 | <listitem>
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56 | <para>
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57 | Download size: &pcre-size;
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58 | </para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>
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62 | Estimated disk space required: &pcre-buildsize;
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63 | </para>
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64 | </listitem>
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65 | <listitem>
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66 | <para>
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67 | Estimated build time: &pcre-time;
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68 | </para>
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69 | </listitem>
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70 | </itemizedlist>
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71 |
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72 | <bridgehead renderas="sect3">PCRE Dependencies</bridgehead>
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73 |
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74 | <bridgehead renderas="sect4">Optional</bridgehead>
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75 | <para role="optional">
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76 | <xref linkend="valgrind"/>
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77 | </para>
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78 |
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79 | </sect2>
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80 |
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81 | <sect2 role="installation">
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82 | <title>Installation of PCRE</title>
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83 |
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84 | <para>
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85 | Install <application>PCRE</application> by running
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86 | the following commands:
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87 | </para>
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88 |
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89 | <screen><userinput>./configure --prefix=/usr \
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90 | --docdir=/usr/share/doc/pcre-&pcre-version; \
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91 | --enable-unicode-properties \
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92 | --enable-pcre16 \
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93 | --enable-pcre32 \
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94 | --enable-pcregrep-libz \
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95 | --enable-pcregrep-libbz2 \
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96 | --enable-pcretest-libreadline \
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97 | --disable-static &&
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98 | make</userinput></screen>
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99 |
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100 | <para>
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101 | To test the results, issue: <command>make check</command>.
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102 | </para>
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103 |
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104 | <para>
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105 | Now, as the <systemitem class="username">root</systemitem> user:
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106 | </para>
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107 |
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108 | <screen role="root"><userinput>make install</userinput></screen>
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109 |
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110 | </sect2>
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111 |
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112 | <sect2 role="commands">
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113 | <title>Command Explanations</title>
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114 |
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115 | <para>
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116 | <parameter>--enable-unicode-properties</parameter>: This switch enables
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117 | Unicode properties support and includes the code for handling UTF-8/16/32
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118 | character strings in the library. You need this switch if you are going to
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119 | build <xref linkend="glib2"/>.
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120 | </para>
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121 |
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122 | <para>
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123 | <parameter>--enable-pcre16</parameter>: This switch enables 16 bit
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124 | character support.
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125 | </para>
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126 |
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127 | <para>
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128 | <parameter>--enable-pcre32</parameter>: This switch enables 32 bit
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129 | character support.
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130 | </para>
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131 |
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132 | <para>
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133 | <parameter>--enable-pcregrep-libz</parameter>: This switch adds
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134 | support to <command>pcregrep</command> to read
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135 | <filename class="extension">.gz</filename> compressed files.
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136 | </para>
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137 |
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138 | <para>
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139 | <parameter>--enable-pcregrep-libbz2</parameter>: This switch adds
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140 | support to <command>pcregrep</command> to read
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141 | <filename class="extension">.bz2</filename> compressed files.
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142 | </para>
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143 |
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144 | <para>
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145 | <parameter>--enable-pcretest-libreadline</parameter>: This switch adds line
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146 | editing and history features to <command>pcretest</command> program.
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147 | </para>
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148 |
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149 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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150 | href="../../xincludes/static-libraries.xml"/>
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151 |
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152 | <!-- FIXME: Removed due to merged-/usr setup
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153 | <para>
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154 | <command>mv -v /usr/lib/libpcre.so.* /lib</command>: Moves the
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155 | <application>PCRE</application> library on the root filesystem
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156 | so that it is available in case <command>grep</command>
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157 | gets reinstalled with <application>PCRE</application> support.
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158 | </para>
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159 | -->
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160 |
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161 | <para>
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162 | <option>--enable-jit</option>: this option enables Just-in-time
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163 | compiling, which can greatly speed up pattern matching.
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164 | </para>
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165 |
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166 | </sect2>
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167 |
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168 | <sect2 role="content">
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169 | <title>Contents</title>
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170 |
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171 | <segmentedlist>
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172 | <segtitle>Installed Programs</segtitle>
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173 | <segtitle>Installed Libraries</segtitle>
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174 | <segtitle>Installed Directory</segtitle>
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175 |
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176 | <seglistitem>
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177 | <seg>
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178 | pcregrep, pcretest, and pcre-config
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179 | </seg>
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180 | <seg>
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181 | libpcre.so, libpcre16.so, libpcre32.so,
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182 | libpcrecpp.so and libpcreposix.so
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183 | </seg>
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184 | <seg>
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185 | /usr/share/doc/pcre-&pcre-version;
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186 | </seg>
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187 | </seglistitem>
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188 | </segmentedlist>
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189 |
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190 | <variablelist>
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191 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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192 | <?dbfo list-presentation="list"?>
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193 | <?dbhtml list-presentation="table"?>
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194 |
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195 | <varlistentry id="pcregrep">
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196 | <term><command>pcregrep</command></term>
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197 | <listitem>
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198 | <para>
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199 | is a <command>grep</command> that understands
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200 | <application>Perl</application> compatible regular expressions
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201 | </para>
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202 | <indexterm zone="pcre pcregrep">
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203 | <primary sortas="b-pcregrep">pcregrep</primary>
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204 | </indexterm>
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205 | </listitem>
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206 | </varlistentry>
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207 |
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208 | <varlistentry id="pcretest">
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209 | <term><command>pcretest</command></term>
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210 | <listitem>
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211 | <para>
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212 | can test a <application>Perl</application> compatible
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213 | regular expression
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214 | </para>
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215 | <indexterm zone="pcre pcretest">
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216 | <primary sortas="b-pcretest">pcretest</primary>
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217 | </indexterm>
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218 | </listitem>
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219 | </varlistentry>
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220 |
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221 | <varlistentry id="pcre-config">
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222 | <term><command>pcre-config</command></term>
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223 | <listitem>
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224 | <para>
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225 | is used during the compile process of programs linking to
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226 | the <application>PCRE</application> libraries
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227 | </para>
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228 | <indexterm zone="pcre pcre-config">
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229 | <primary sortas="b-pcre-config">pcre-config</primary>
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230 | </indexterm>
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231 | </listitem>
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232 | </varlistentry>
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233 |
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234 | </variablelist>
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235 |
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236 | </sect2>
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237 |
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238 | </sect1>
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