[7152faa] | 1 | <?xml version="1.0" encoding="UTF-8"?>
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[fcc02767] | 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-bash" role="wrap">
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| 9 | <?dbhtml filename="bash.html"?>
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| 10 |
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| 11 | <sect1info condition="script">
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| 12 | <productname>bash</productname>
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| 13 | <productnumber>&bash-version;</productnumber>
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| 14 | <address>&bash-url;</address>
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| 15 | </sect1info>
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| 16 |
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| 17 | <title>Bash-&bash-version;</title>
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| 18 |
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| 19 | <indexterm zone="ch-system-bash">
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| 20 | <primary sortas="a-Bash">Bash</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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[79ac947] | 26 | <para>The Bash package contains the Bourne-Again Shell.</para>
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[fcc02767] | 27 |
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| 28 | <segmentedlist>
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| 29 | <segtitle>&buildtime;</segtitle>
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| 30 | <segtitle>&diskspace;</segtitle>
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| 31 |
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| 32 | <seglistitem>
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[fb386e0] | 33 | <seg>&bash-fin-sbu;</seg>
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| 34 | <seg>&bash-fin-du;</seg>
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[fcc02767] | 35 | </seglistitem>
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| 36 | </segmentedlist>
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| 37 |
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| 38 | </sect2>
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| 39 |
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| 40 | <sect2 role="installation">
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| 41 | <title>Installation of Bash</title>
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| 42 |
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| 43 | <para>Prepare Bash for compilation:</para>
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| 44 |
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[c9aabf1] | 45 | <screen><userinput remap="configure">./configure --prefix=/usr \
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| 46 | --without-bash-malloc \
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| 47 | --with-installed-readline \
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[340e17a] | 48 | bash_cv_strtold_broken=no \
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[c9aabf1] | 49 | --docdir=/usr/share/doc/bash-&bash-version;</userinput></screen>
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[fcc02767] | 50 |
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| 51 | <variablelist>
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| 52 | <title>The meaning of the new configure option:</title>
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| 53 |
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| 54 | <varlistentry>
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| 55 | <term><parameter>--with-installed-readline</parameter></term>
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| 56 | <listitem>
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| 57 | <para>This option tells Bash to use the <filename
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| 58 | class="libraryfile">readline</filename> library that is already
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| 59 | installed on the system rather than using its own readline
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| 60 | version.</para>
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| 61 | </listitem>
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| 62 | </varlistentry>
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| 63 |
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| 64 | </variablelist>
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| 65 |
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| 66 | <para>Compile the package:</para>
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| 67 |
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| 68 | <screen><userinput remap="make">make</userinput></screen>
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| 69 |
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| 70 | <para>Skip down to <quote>Install the
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| 71 | package</quote> if not running the test suite.</para>
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| 72 |
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| 73 | <para>To prepare the tests, ensure that the <systemitem class="username">tester</systemitem> user can write to the sources tree:</para>
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| 74 |
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[9c73d911] | 75 | <screen><userinput remap="test">chown -R tester .</userinput></screen>
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[fcc02767] | 76 |
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[79ac947] | 77 | <para>The test suite of this package is designed to be run as a non-&root;
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| 78 | user who owns the terminal connected to standard input. To satisfy the
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[2a277fb] | 79 | requirement, spawn a new pseudo terminal using
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[d072573] | 80 | <application>Expect</application> and run the tests as the <systemitem
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[fcc02767] | 81 | class="username">tester</systemitem> user:</para>
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| 82 |
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[4816dc6] | 83 | <screen><userinput remap="test">su -s /usr/bin/expect tester << "EOF"
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[7d88d57] | 84 | set timeout -1
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| 85 | spawn make tests
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| 86 | expect eof
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[94862da] | 87 | lassign [wait] _ _ _ value
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| 88 | exit $value
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[fcc02767] | 89 | EOF</userinput></screen>
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[6a156bab] | 90 |
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[5f8b7fe] | 91 | <para>The test suite uses <command>diff</command> to detect the
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| 92 | difference between test script output and the expected output. Any
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| 93 | output from <command>diff</command> (prefixed with
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| 94 | <computeroutput><</computeroutput> and
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| 95 | <computeroutput>></computeroutput>) indicates a test failure, unless
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| 96 | there is a message saying the difference can be ignored.
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| 97 | <!-- Some host distros set core file size hard limit < 1000, then the
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| 98 | test "ulimit -c -S 1000" attempts to set soft limit > hard limit
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| 99 | and fail. -->
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| 100 | One test named <filename>run-builtins</filename> is known to fail on
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| 101 | some host distros with a difference on the first line of the
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| 102 | output.</para>
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| 103 |
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[d7a9421] | 104 | <para>Install the package:</para>
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[fcc02767] | 105 |
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[d7a9421] | 106 | <screen><userinput remap="install">make install</userinput></screen>
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[fcc02767] | 107 |
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| 108 | <para>Run the newly compiled <command>bash</command> program (replacing the one that is
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| 109 | currently being executed):</para>
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| 110 |
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[490dc153] | 111 | <screen role="nodump"><userinput>exec /usr/bin/bash --login</userinput></screen>
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[fcc02767] | 112 |
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| 113 | </sect2>
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| 114 |
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| 115 | <sect2 id="contents-bash" role="content">
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| 116 | <title>Contents of Bash</title>
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| 117 |
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| 118 | <segmentedlist>
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| 119 | <segtitle>Installed programs</segtitle>
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| 120 | <segtitle>Installed directory</segtitle>
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| 121 |
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| 122 | <seglistitem>
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| 123 | <seg>bash, bashbug, and sh (link to bash)</seg>
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| 124 | <seg>/usr/include/bash, /usr/lib/bash, and
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| 125 | /usr/share/doc/bash-&bash-version;</seg>
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| 126 | </seglistitem>
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| 127 | </segmentedlist>
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| 128 |
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| 129 | <variablelist>
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| 130 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 131 | <?dbfo list-presentation="list"?>
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| 132 | <?dbhtml list-presentation="table"?>
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| 133 |
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| 134 | <varlistentry id="bash">
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| 135 | <term><command>bash</command></term>
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| 136 | <listitem>
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| 137 | <para>A widely-used command interpreter; it performs many types of
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| 138 | expansions and substitutions on a given command line before executing
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| 139 | it, thus making this interpreter a powerful tool</para>
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| 140 | <indexterm zone="ch-system-bash bash">
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| 141 | <primary sortas="b-bash">bash</primary>
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| 142 | </indexterm>
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| 143 | </listitem>
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| 144 | </varlistentry>
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| 145 |
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| 146 | <varlistentry id="bashbug">
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| 147 | <term><command>bashbug</command></term>
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| 148 | <listitem>
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| 149 | <para>A shell script to help the user compose and mail standard
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| 150 | formatted bug reports concerning <command>bash</command></para>
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| 151 | <indexterm zone="ch-system-bash bashbug">
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| 152 | <primary sortas="b-bashbug">bashbug</primary>
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| 153 | </indexterm>
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| 154 | </listitem>
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| 155 | </varlistentry>
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| 156 |
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| 157 | <varlistentry id="sh">
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| 158 | <term><command>sh</command></term>
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| 159 | <listitem>
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| 160 | <para>A symlink to the <command>bash</command> program; when invoked
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| 161 | as <command>sh</command>, <command>bash</command> tries to mimic the
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| 162 | startup behavior of historical versions of <command>sh</command> as
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| 163 | closely as possible, while conforming to the POSIX standard as
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| 164 | well</para>
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| 165 | <indexterm zone="ch-system-bash sh">
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| 166 | <primary sortas="b-sh">sh</primary>
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| 167 | </indexterm>
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| 168 | </listitem>
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| 169 | </varlistentry>
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| 170 |
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| 171 | </variablelist>
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| 172 |
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| 173 | </sect2>
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| 174 |
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| 175 | </sect1>
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