lfs-book-zh_CN/chapter06/file.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../general.ent">
  %general-entities;
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<sect1 id="ch-system-file" xreflabel="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 files.</para>

<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem><seg>0.1 SBU</seg><seg>6.3 MB</seg></seglistitem>
</segmentedlist>

<segmentedlist>
<segtitle>File installation depends on</segtitle>
<seglistitem><seg>Bash, Binutils, Coreutils, Diffutils,
GCC, Glibc, Grep, Make, Sed, 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>Now install it:</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><title>Short descriptions</title>

<varlistentry>
<term id="file"><command>file</command></term>
<listitem>
<indexterm zone="ch-system-file file"><primary sortas="b-file">file</primary></indexterm>
<para>tries to classify each given file. It does
this by performing several tests: file system tests, magic number tests, and
language tests. The first test that succeeds determines the result.</para>
</listitem>
</varlistentry>

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

</sect2>

</sect1>