1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-system-bzip2" role="wrap">
<?dbhtml filename="bzip2.html"?>
<sect1info condition="script">
<productname>bzip2</productname>
<productnumber>&bzip2-version;</productnumber>
<address>&bzip2-url;</address>
</sect1info>
<title>Bzip2-&bzip2-version;</title>
<indexterm zone="ch-system-bzip2">
<primary sortas="a-Bzip2">Bzip2</primary>
</indexterm>
<sect2 role="package">
<title/>
<para>The Bzip2 package contains programs for compressing and decompressing
files. Compressing text files with <command>bzip2</command> yields a much
better compression percentage than with the traditional
<command>gzip</command>.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>&bzip2-ch6-sbu;</seg>
<seg>&bzip2-ch6-du;</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of Bzip2</title>
<para>Apply 2 patches that will install the documentation for this package
and correct some hard-coded version numbers:</para>
<screen><userinput remap="pre">patch -Np1 -i ../&bzip2-docs-patch;
patch -Np1 -i ../&bzip2-version-patch;</userinput></screen>
<para>The following command ensures installation of symbolic links are relative:</para>
<screen><userinput remap="pre">sed -i 's@\(ln -s -f \)$(PREFIX)/bin/@\1@' Makefile</userinput></screen>
<para>Prepare Bzip2 for compilation with:</para>
<screen><userinput remap="make">make -f Makefile-libbz2_so
make clean</userinput></screen>
<variablelist>
<title>The meaning of the make parameter:</title>
<varlistentry>
<term><parameter>-f Makefile-libbz2_so</parameter></term>
<listitem>
<para>This will cause Bzip2 to be built using a different
<filename>Makefile</filename> file, in this case the
<filename>Makefile-libbz2_so</filename> file, which creates a dynamic
<filename class="libraryfile">libbz2.so</filename> library and links
the Bzip2 utilities against it.</para>
</listitem>
</varlistentry>
</variablelist>
<para>Compile and test the package:</para>
<screen><userinput remap="make">make</userinput></screen>
<para>Install the programs:</para>
<screen><userinput remap="install">make PREFIX=/usr install</userinput></screen>
<para>Install the shared <command>bzip2</command> binary into the
<filename class="directory">/bin</filename> directory, make
some necessary symbolic links, and clean up:</para>
<screen><userinput remap="install">cp -v bzip2-shared /bin/bzip2
cp -av libbz2.so* /lib
ln -sv ../../lib/libbz2.so.1.0 /usr/lib/libbz2.so
rm -v /usr/bin/{bunzip2,bzcat,bzip2}
ln -sv bzip2 /bin/bunzip2
ln -sv bzip2 /bin/bzcat</userinput></screen>
</sect2>
<sect2 id="contents-bzip2" role="content">
<title>Contents of Bzip2</title>
<segmentedlist>
<segtitle>Installed programs</segtitle>
<segtitle>Installed libraries</segtitle>
<seglistitem>
<seg>bunzip2 (link to bzip2), bzcat (link to bzip2), bzcmp (link to
bzdiff), bzdiff, bzegrep (link to bzgrep), bzfgrep (link to bzgrep),
bzgrep, bzip2, bzip2recover, bzless (link to bzmore), and bzmore</seg>
<seg>libbz2.{a,so}</seg>
</seglistitem>
</segmentedlist>
<variablelist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry id="bunzip2">
<term><command>bunzip2</command></term>
<listitem>
<para>Decompresses bzipped files</para>
<indexterm zone="ch-system-bzip2 bunzip2">
<primary sortas="b-bunzip2">bunzip2</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzcat">
<term><command>bzcat</command></term>
<listitem>
<para>Decompresses to standard output</para>
<indexterm zone="ch-system-bzip2 bzcat">
<primary sortas="b-bzcat">bzcat</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzcmp">
<term><command>bzcmp</command></term>
<listitem>
<para>Runs <command>cmp</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzcmp">
<primary sortas="b-bzcmp">bzcmp</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzdiff">
<term><command>bzdiff</command></term>
<listitem>
<para>Runs <command>diff</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzdiff">
<primary sortas="b-bzdiff">bzdiff</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzegrep">
<term><command>bzegrep</command></term>
<listitem>
<para>Runs <command>egrep</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzegrep">
<primary sortas="b-bzegrep">bzegrep</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzfgrep">
<term><command>bzfgrep</command></term>
<listitem>
<para>Runs <command>fgrep</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzfgrep">
<primary sortas="b-bzfgrep">bzfgrep</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzgrep">
<term><command>bzgrep</command></term>
<listitem>
<para>Runs <command>grep</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzgrep">
<primary sortas="b-bzgrep">bzgrep</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzip2">
<term><command>bzip2</command></term>
<listitem>
<para>Compresses files using the Burrows-Wheeler block sorting text
compression algorithm with Huffman coding; the compression rate is
better than that achieved by more conventional compressors using
<quote>Lempel-Ziv</quote> algorithms, like <command>gzip</command></para>
<indexterm zone="ch-system-bzip2 bzip2">
<primary sortas="b-bzip2">bzip2</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzip2recover">
<term><command>bzip2recover</command></term>
<listitem>
<para>Tries to recover data from damaged bzipped files</para>
<indexterm zone="ch-system-bzip2 bzip2recover">
<primary sortas="b-bzip2recover">bzip2recover</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzless">
<term><command>bzless</command></term>
<listitem>
<para>Runs <command>less</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzless">
<primary sortas="b-bzless">bzless</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="bzmore">
<term><command>bzmore</command></term>
<listitem>
<para>Runs <command>more</command> on bzipped files</para>
<indexterm zone="ch-system-bzip2 bzmore">
<primary sortas="b-bzmore">bzmore</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="libbz2">
<term><filename class="libraryfile">libbz2*</filename></term>
<listitem>
<para>The library implementing lossless, block-sorting data
compression, using the Burrows-Wheeler algorithm</para>
<indexterm zone="ch-system-bzip2 libbz2">
<primary sortas="c-libbz2*">libbz2*</primary>
</indexterm>
</listitem>
</varlistentry>
</variablelist>
</sect2>
</sect1>
|
