lfs-book-zh_CN/chapter06/file.xml

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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../general.ent">
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<sect1 id="ch-system-file" role="wrap">
<title>File-&file-version;</title>
<?dbhtml filename="file.html"?>

<indexterm zone="ch-system-file"><primary sortas="a-File">File</primary></indexterm>

<sect2 role="package"><title/>
<para>The File package contains a utility for determining the type of a given
file or files.</para>

<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem><seg>0.1 SBU</seg><seg>6.2 MB</seg></seglistitem>
</segmentedlist>

<segmentedlist>
<segtitle>&dependencies;</segtitle>
<seglistitem><seg>Bash, Binutils, Coreutils, Diffutils,
GCC, Glibc, Grep, Make, Sed, and Zlib</seg></seglistitem>
</segmentedlist>
</sect2>

<sect2 role="installation">
<title>Installation of File</title>

<para>Prepare File for compilation:</para>

<screen><userinput>./configure --prefix=/usr</userinput></screen> 

<para>Compile the package:</para>

<screen><userinput>make</userinput></screen>

<para>This package does not come with a test suite.</para>

<para>Install the package:</para>

<screen><userinput>make install</userinput></screen>

</sect2>


<sect2 id="contents-file" role="content"><title>Contents of File</title>

<segmentedlist>
<segtitle>Installed programs</segtitle>
<segtitle>Installed library</segtitle>
<seglistitem><seg>file</seg><seg>libmagic.[a,so]</seg></seglistitem>
</segmentedlist>

<variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>

<varlistentry id="file">
<term><command>file</command></term>
<listitem>
<para>Tries to classify each given file; it does this by performing
several tests&mdash;file system tests, magic number tests, and language
tests</para>
<indexterm zone="ch-system-file file"><primary sortas="b-file">file</primary></indexterm>
</listitem>
</varlistentry>

<varlistentry id="libmagic">
<term><filename class="libraryfile">libmagic</filename></term>
<listitem>
<para>Contains routines for magic number recognition, used by the
<command>file</command> program</para>
<indexterm zone="ch-system-file libmagic"><primary sortas="c-libmagic">libmagic</primary></indexterm>
</listitem>
</varlistentry>
</variablelist>

</sect2>

</sect1>