source: BOOK/final-system/common/bzip2.xml@ 6aad380

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 6aad380 was 6aad380, checked in by Jim Gifford <clfs@…>, 19 years ago

r677@server (orig r675): manuel | 2005-11-10 03:13:57 -0800
Including patches.ent from general.ent

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File size: 8.1 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="ch-system-bzip2" role="wrap">
9 <?dbhtml filename="bzip2.html"?>
10
11 <title>Bzip2-&bzip2-version;</title>
12
13 <indexterm zone="ch-system-bzip2">
14 <primary sortas="a-Bzip2">Bzip2</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Bzip2 package contains programs for compressing and
21 decompressing files. Compressing text files with <command>bzip2</command>
22 yields a much better compression percentage than with the traditional
23 <command>gzip</command>.</para>
24
25 <segmentedlist>
26 <segtitle>&dependencies;</segtitle>
27
28 <seglistitem>
29 <seg>Bash, Binutils, Coreutils, Diffutils, GCC, Glibc, and Make</seg>
30 </seglistitem>
31 </segmentedlist>
32
33 </sect2>
34
35 <sect2 role="installation">
36 <title>Installation of Bzip2</title>
37
38 <para os="j">Apply a patch to install the documentation for this
39 package:</para>
40
41<screen os="k"><userinput>patch -Np1 -i ../&bzip2-docs-patch;</userinput></screen>
42
43 <para os="l">The <command>bzgrep</command> command does not escape '|' and
44 '&amp;' in filenames passed to it. This allows arbitrary commands to be
45 executed with the privileges of the user running <command>bzgrep</command>.
46 Apply the following patch to address this:</para>
47
48<screen os="m"><userinput>patch -Np1 -i ../&bzip2-bzgrep-patch;</userinput></screen>
49
50 <para os="a">The Bzip2 package does not contain a <command>configure</command>
51 script. Compile it with:</para>
52
53<screen><userinput>make -f Makefile-libbz2_so
54make clean</userinput></screen>
55
56 <para os="b">The <parameter>-f</parameter> flag will cause Bzip2 to be built
57 using a different <filename>Makefile</filename> file, in this case the
58 <filename>Makefile-libbz2_so</filename> file, which creates a dynamic
59 <filename class="libraryfile">libbz2.so</filename> library and links the
60 Bzip2 utilities against it.</para>
61
62 <para os="c">Compile the package:</para>
63
64<screen><userinput>make</userinput></screen>
65
66 <para os="d">To test the results, issue:
67 <userinput>make test</userinput>.</para>
68
69 <para os="e">If reinstalling Bzip2, perform
70 <userinput>rm -f /usr/bin/bz*</userinput> first, otherwise the
71 following <command>make install</command> will fail.</para>
72
73 <para os="f">Install the programs:</para>
74
75<screen os="g"><userinput>make install</userinput></screen>
76
77 <para os="h">Install the shared <command>bzip2</command> binary into the
78 <filename class="directory">/bin</filename> directory, make
79 some necessary symbolic links, and clean up:</para>
80
81<screen os="i"><userinput>cp bzip2-shared /bin/bzip2
82cp -a libbz2.so* /lib
83ln -s ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
84rm /usr/bin/{bunzip2,bzcat,bzip2}
85ln -s bzip2 /bin/bunzip2
86ln -s bzip2 /bin/bzcat</userinput></screen>
87
88 </sect2>
89
90 <sect2 id="contents-bzip2" role="content">
91 <title>Contents of Bzip2</title>
92
93 <segmentedlist>
94 <segtitle>Installed programs</segtitle>
95 <segtitle>Installed libraries</segtitle>
96
97 <seglistitem>
98 <seg>bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp, bzdiff,
99 bzegrep, bzfgrep, bzgrep, bzip2, bzip2recover, bzless, and bzmore</seg>
100 <seg>libbz2.a, libbz2.so (link to libbz2.so.1.0), libbz2.so.1.0 (link to
101 libbz2.so.&bzip2-version;), and libbz2.so.&bzip2-version;</seg>
102 </seglistitem>
103 </segmentedlist>
104
105 <variablelist>
106 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
107 <?dbfo list-presentation="list"?>
108 <?dbhtml list-presentation="table"?>
109
110 <varlistentry id="bunzip2">
111 <term><command>bunzip2</command></term>
112 <listitem>
113 <para>Decompresses bzipped files</para>
114 <indexterm zone="ch-system-bzip2 bunzip2">
115 <primary sortas="b-bunzip2">bunzip2</primary>
116 </indexterm>
117 </listitem>
118 </varlistentry>
119
120 <varlistentry id="bzcat">
121 <term><command>bzcat</command></term>
122 <listitem>
123 <para>Decompresses to standard output</para>
124 <indexterm zone="ch-system-bzip2 bzcat">
125 <primary sortas="b-bzcat">bzcat</primary>
126 </indexterm>
127 </listitem>
128 </varlistentry>
129
130 <varlistentry id="bzcmp">
131 <term><command>bzcmp</command></term>
132 <listitem>
133 <para>Runs <command>cmp</command> on bzipped files</para>
134 <indexterm zone="ch-system-bzip2 bzcmp">
135 <primary sortas="b-bzcmp">bzcmp</primary>
136 </indexterm>
137 </listitem>
138 </varlistentry>
139
140 <varlistentry id="bzdiff">
141 <term><command>bzdiff</command></term>
142 <listitem>
143 <para>Runs <command>diff</command> on bzipped files</para>
144 <indexterm zone="ch-system-bzip2 bzdiff">
145 <primary sortas="b-bzdiff">bzdiff</primary>
146 </indexterm>
147 </listitem>
148 </varlistentry>
149
150 <varlistentry id="bzgrep">
151 <term><command>bzgrep</command></term>
152 <listitem>
153 <para>Runs <command>grep</command> on bzipped files</para>
154 <indexterm zone="ch-system-bzip2 bzgrep">
155 <primary sortas="b-bzgrep">bzgrep</primary>
156 </indexterm>
157 </listitem>
158 </varlistentry>
159
160 <varlistentry id="bzegrep">
161 <term><command>bzegrep</command></term>
162 <listitem>
163 <para>Runs <command>egrep</command> on bzipped files</para>
164 <indexterm zone="ch-system-bzip2 bzegrep">
165 <primary sortas="b-bzegrep">bzegrep</primary>
166 </indexterm>
167 </listitem>
168 </varlistentry>
169
170 <varlistentry id="bzfgrep">
171 <term><command>bzfgrep</command></term>
172 <listitem>
173 <para>Runs <command>fgrep</command> on bzipped files</para>
174 <indexterm zone="ch-system-bzip2 bzfgrep">
175 <primary sortas="b-bzfgrep">bzfgrep</primary>
176 </indexterm>
177 </listitem>
178 </varlistentry>
179
180 <varlistentry id="bzip2">
181 <term><command>bzip2</command></term>
182 <listitem>
183 <para>Compresses files using the Burrows-Wheeler block sorting text
184 compression algorithm with Huffman coding; the compression rate is
185 better than that achieved by more conventional compressors using
186 <quote>Lempel-Ziv</quote> algorithms, like <command>gzip</command></para>
187 <indexterm zone="ch-system-bzip2 bzip2">
188 <primary sortas="b-bzip2">bzip2</primary>
189 </indexterm>
190 </listitem>
191 </varlistentry>
192
193 <varlistentry id="bzip2recover">
194 <term><command>bzip2recover</command></term>
195 <listitem>
196 <para>Tries to recover data from damaged bzipped files</para>
197 <indexterm zone="ch-system-bzip2 bzip2recover">
198 <primary sortas="b-bzip2recover">bzip2recover</primary>
199 </indexterm>
200 </listitem>
201 </varlistentry>
202
203 <varlistentry id="bzless">
204 <term><command>bzless</command></term>
205 <listitem>
206 <para>Runs <command>less</command> on bzipped files</para>
207 <indexterm zone="ch-system-bzip2 bzless">
208 <primary sortas="b-bzless">bzless</primary>
209 </indexterm>
210 </listitem>
211 </varlistentry>
212
213 <varlistentry id="bzmore">
214 <term><command>bzmore</command></term>
215 <listitem>
216 <para>Runs <command>more</command> on bzipped files</para>
217 <indexterm zone="ch-system-bzip2 bzmore">
218 <primary sortas="b-bzmore">bzmore</primary>
219 </indexterm>
220 </listitem>
221 </varlistentry>
222
223 <varlistentry id="libbz2">
224 <term><filename class="libraryfile">libbz2*</filename></term>
225 <listitem>
226 <para>The library implementing lossless, block-sorting data
227 compression, using the Burrows-Wheeler algorithm</para>
228 <indexterm zone="ch-system-bzip2 libbz2">
229 <primary sortas="c-libbz2*">libbz2*</primary>
230 </indexterm>
231 </listitem>
232 </varlistentry>
233
234 </variablelist>
235
236 </sect2>
237
238</sect1>
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