| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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 |
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| 8 | <sect1 id="ch-system-bzip2" role="wrap">
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| 9 | <?dbhtml filename="bzip2.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>bzip2</productname>
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| 13 | <productnumber>&bzip2-version;</productnumber>
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| 14 | <address>&bzip2-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Bzip2-&bzip2-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-bzip2">
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| 20 | <primary sortas="a-Bzip2">Bzip2</primary>
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| 21 | </indexterm>
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| 22 |
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| 23 | <sect2 role="package">
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| 24 | <title/>
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| 25 |
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| 26 | <para>The Bzip2 package contains programs for compressing and decompressing
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| 27 | files. Compressing text files with <command>bzip2</command> yields a much
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| 28 | better compression percentage than with the traditional
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| 29 | <command>gzip</command>.</para>
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| 30 |
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| 31 | <segmentedlist>
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| 32 | <segtitle>&buildtime;</segtitle>
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| 33 | <segtitle>&diskspace;</segtitle>
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| 34 |
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| 35 | <seglistitem>
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| 36 | <seg>&bzip2-fin-sbu;</seg>
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| 37 | <seg>&bzip2-fin-du;</seg>
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| 38 | </seglistitem>
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| 39 | </segmentedlist>
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| 40 |
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| 41 | </sect2>
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| 42 |
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| 43 | <sect2 role="installation">
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| 44 | <title>Installation of Bzip2</title>
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| 45 |
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| 46 | <para>Apply a patch that will install the documentation for this package:</para>
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| 47 |
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| 48 | <screen><userinput remap="pre">patch -Np1 -i ../&bzip2-docs-patch;</userinput></screen>
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| 49 |
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| 50 | <para>The following command ensures installation of symbolic links are relative:</para>
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| 51 |
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| 52 | <screen><userinput remap="pre">sed -i 's@\(ln -s -f \)$(PREFIX)/bin/@\1@' Makefile</userinput></screen>
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| 53 |
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| 54 | <para>Ensure the man pages are installed into the correct location:</para>
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| 55 |
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| 56 | <screen><userinput remap="pre">sed -i "s@(PREFIX)/man@(PREFIX)/share/man@g" Makefile</userinput></screen>
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| 57 |
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| 58 | <para>Prepare Bzip2 for compilation with:</para>
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| 59 |
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| 60 | <screen><userinput remap="make">make -f Makefile-libbz2_so
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| 61 | make clean</userinput></screen>
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| 62 |
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| 63 | <variablelist>
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| 64 | <title>The meaning of the make parameter:</title>
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| 65 |
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| 66 | <varlistentry>
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| 67 | <term><parameter>-f Makefile-libbz2_so</parameter></term>
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| 68 | <listitem>
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| 69 | <para>This will cause Bzip2 to be built using a different
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| 70 | <filename>Makefile</filename> file, in this case the
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| 71 | <filename>Makefile-libbz2_so</filename> file, which creates a dynamic
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| 72 | <filename class="libraryfile">libbz2.so</filename> library and links
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| 73 | the Bzip2 utilities against it.</para>
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| 74 | </listitem>
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| 75 | </varlistentry>
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| 76 |
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| 77 | </variablelist>
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| 78 |
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| 79 | <para>Compile and test the package:</para>
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| 80 |
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| 81 | <screen><userinput remap="make">make</userinput></screen>
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| 82 |
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| 83 | <para>Install the programs:</para>
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| 84 |
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| 85 | <screen><userinput remap="install">make PREFIX=/usr install</userinput></screen>
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| 86 |
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| 87 | <para>Install the shared <command>bzip2</command> binary into the
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| 88 | <filename class="directory">/bin</filename> directory:</para>
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| 89 |
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| 90 | <screen><userinput remap="install">cp -v bzip2-shared /bin/bzip2</userinput></screen>
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| 91 |
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| 92 | <para revision="sysv">Adjust some symbolic links, and clean up:</para>
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| 93 |
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| 94 | <screen revision="sysv"><userinput remap="install">cp -av libbz2.so* /lib
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| 95 | ln -sv ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
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| 96 | rm -v /usr/bin/{bunzip2,bzcat,bzip2}
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| 97 | ln -sv bzip2 /bin/bunzip2
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| 98 | ln -sv bzip2 /bin/bzcat</userinput></screen>
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| 99 |
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| 100 | <para>Remove an useless static library:</para>
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| 101 |
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| 102 | <screen><userinput remap="install">rm -fv /usr/lib/libbz2.a</userinput></screen>
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| 103 |
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| 104 | </sect2>
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| 105 |
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| 106 | <sect2 id="contents-bzip2" role="content">
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| 107 | <title>Contents of Bzip2</title>
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| 108 |
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| 109 | <segmentedlist>
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| 110 | <segtitle>Installed programs</segtitle>
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| 111 | <segtitle>Installed libraries</segtitle>
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| 112 | <segtitle>Installed directory</segtitle>
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| 113 |
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| 114 | <seglistitem>
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| 115 | <seg>bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp (link to
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| 116 | bzdiff), bzdiff, bzegrep (link to bzgrep), bzfgrep (link to bzgrep),
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| 117 | bzgrep, bzip2, bzip2recover, bzless (link to bzmore), and bzmore</seg>
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| 118 | <seg>libbz2.so</seg>
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| 119 | <seg>/usr/share/doc/bzip2-&bzip2-version;</seg>
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| 120 | </seglistitem>
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| 121 | </segmentedlist>
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| 122 |
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| 123 | <variablelist>
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| 124 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 125 | <?dbfo list-presentation="list"?>
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| 126 | <?dbhtml list-presentation="table"?>
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| 127 |
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| 128 | <varlistentry id="bunzip2">
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| 129 | <term><command>bunzip2</command></term>
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| 130 | <listitem>
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| 131 | <para>Decompresses bzipped files</para>
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| 132 | <indexterm zone="ch-system-bzip2 bunzip2">
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| 133 | <primary sortas="b-bunzip2">bunzip2</primary>
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| 134 | </indexterm>
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| 135 | </listitem>
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| 136 | </varlistentry>
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| 137 |
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| 138 | <varlistentry id="bzcat">
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| 139 | <term><command>bzcat</command></term>
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| 140 | <listitem>
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| 141 | <para>Decompresses to standard output</para>
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| 142 | <indexterm zone="ch-system-bzip2 bzcat">
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| 143 | <primary sortas="b-bzcat">bzcat</primary>
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| 144 | </indexterm>
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| 145 | </listitem>
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| 146 | </varlistentry>
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| 147 |
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| 148 | <varlistentry id="bzcmp">
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| 149 | <term><command>bzcmp</command></term>
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| 150 | <listitem>
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| 151 | <para>Runs <command>cmp</command> on bzipped files</para>
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| 152 | <indexterm zone="ch-system-bzip2 bzcmp">
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| 153 | <primary sortas="b-bzcmp">bzcmp</primary>
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| 154 | </indexterm>
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| 155 | </listitem>
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| 156 | </varlistentry>
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| 157 |
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| 158 | <varlistentry id="bzdiff">
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| 159 | <term><command>bzdiff</command></term>
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| 160 | <listitem>
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| 161 | <para>Runs <command>diff</command> on bzipped files</para>
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| 162 | <indexterm zone="ch-system-bzip2 bzdiff">
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| 163 | <primary sortas="b-bzdiff">bzdiff</primary>
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| 164 | </indexterm>
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| 165 | </listitem>
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| 166 | </varlistentry>
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| 167 |
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| 168 | <varlistentry id="bzegrep">
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| 169 | <term><command>bzegrep</command></term>
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| 170 | <listitem>
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| 171 | <para>Runs <command>egrep</command> on bzipped files</para>
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| 172 | <indexterm zone="ch-system-bzip2 bzegrep">
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| 173 | <primary sortas="b-bzegrep">bzegrep</primary>
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| 174 | </indexterm>
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| 175 | </listitem>
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| 176 | </varlistentry>
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| 177 |
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| 178 | <varlistentry id="bzfgrep">
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| 179 | <term><command>bzfgrep</command></term>
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| 180 | <listitem>
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| 181 | <para>Runs <command>fgrep</command> on bzipped files</para>
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| 182 | <indexterm zone="ch-system-bzip2 bzfgrep">
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| 183 | <primary sortas="b-bzfgrep">bzfgrep</primary>
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| 184 | </indexterm>
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| 185 | </listitem>
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| 186 | </varlistentry>
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| 187 |
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| 188 | <varlistentry id="bzgrep">
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| 189 | <term><command>bzgrep</command></term>
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| 190 | <listitem>
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| 191 | <para>Runs <command>grep</command> on bzipped files</para>
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| 192 | <indexterm zone="ch-system-bzip2 bzgrep">
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| 193 | <primary sortas="b-bzgrep">bzgrep</primary>
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| 194 | </indexterm>
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| 195 | </listitem>
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| 196 | </varlistentry>
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| 197 |
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| 198 | <varlistentry id="bzip2">
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| 199 | <term><command>bzip2</command></term>
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| 200 | <listitem>
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| 201 | <para>Compresses files using the Burrows-Wheeler block sorting text
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| 202 | compression algorithm with Huffman coding; the compression rate is
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| 203 | better than that achieved by more conventional compressors using
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| 204 | <quote>Lempel-Ziv</quote> algorithms, like <command>gzip</command></para>
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| 205 | <indexterm zone="ch-system-bzip2 bzip2">
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| 206 | <primary sortas="b-bzip2">bzip2</primary>
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| 207 | </indexterm>
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| 208 | </listitem>
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| 209 | </varlistentry>
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| 210 |
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| 211 | <varlistentry id="bzip2recover">
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| 212 | <term><command>bzip2recover</command></term>
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| 213 | <listitem>
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| 214 | <para>Tries to recover data from damaged bzipped files</para>
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| 215 | <indexterm zone="ch-system-bzip2 bzip2recover">
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| 216 | <primary sortas="b-bzip2recover">bzip2recover</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="bzless">
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| 222 | <term><command>bzless</command></term>
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| 223 | <listitem>
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| 224 | <para>Runs <command>less</command> on bzipped files</para>
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| 225 | <indexterm zone="ch-system-bzip2 bzless">
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| 226 | <primary sortas="b-bzless">bzless</primary>
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| 227 | </indexterm>
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| 228 | </listitem>
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| 229 | </varlistentry>
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| 230 |
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| 231 | <varlistentry id="bzmore">
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| 232 | <term><command>bzmore</command></term>
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| 233 | <listitem>
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| 234 | <para>Runs <command>more</command> on bzipped files</para>
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| 235 | <indexterm zone="ch-system-bzip2 bzmore">
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| 236 | <primary sortas="b-bzmore">bzmore</primary>
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| 237 | </indexterm>
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| 238 | </listitem>
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| 239 | </varlistentry>
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| 240 |
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| 241 | <varlistentry id="libbz2">
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| 242 | <term><filename class="libraryfile">libbz2</filename></term>
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| 243 | <listitem>
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| 244 | <para>The library implementing lossless, block-sorting data
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| 245 | compression, using the Burrows-Wheeler algorithm</para>
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| 246 | <indexterm zone="ch-system-bzip2 libbz2">
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| 247 | <primary sortas="c-libbz2">libbz2</primary>
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| 248 | </indexterm>
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| 249 | </listitem>
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| 250 | </varlistentry>
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| 251 |
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| 252 | </variablelist>
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| 253 |
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| 254 | </sect2>
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| 255 |
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| 256 | </sect1>
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