lfs-book/chapter06/diffutils.xml

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<sect1 id="ch-system-diffutils" xreflabel="Diffutils">
<title>Diffutils-&diffutils-version;</title>
<?dbhtml filename="diffutils.html"?>

<indexterm zone="ch-system-diffutils"><primary sortas="a-Diffutils">Diffutils</primary></indexterm>

<para>The Diffutils package contains programs that show the differences
between files or directories.</para>

<screen>&buildtime; 0.1 SBU
&diskspace; 7.5 MB</screen>

<para>Diffutils installation depends on: Bash, Binutils, Coreutils, Diffutils, GCC,
Gettext, Glibc, Grep, Make, Sed.</para>



<sect2>
<title>Installation of Diffutils</title>

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

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

<para>Compile the package:</para>

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

<para>Install it:</para>

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

</sect2>


<sect2 id="contents-diffutils"><title>Contents of Diffutils</title>

<para><emphasis>Installed programs</emphasis>: cmp, diff, diff3 and sdiff</para>

</sect2>


<sect2><title>Short descriptions</title>

<indexterm zone="ch-system-diffutils cmp"><primary sortas="b-cmp">cmp</primary></indexterm>
<para id="cmp"><command>cmp</command> compares two files and reports whether or
in which bytes they differ.</para>

<indexterm zone="ch-system-diffutils diff"><primary sortas="b-diff">diff</primary></indexterm>
<para id="diff"><command>diff</command> compares two files or directories and reports
which lines in the files differ.</para>

<indexterm zone="ch-system-diffutils diff3"><primary sortas="b-diff3">diff3</primary></indexterm>
<para id="diff3"><command>diff3</command> compares three files line by line.</para>

<indexterm zone="ch-system-diffutils sdiff"><primary sortas="b-sdiff">sdiff</primary></indexterm>
<para id="sdiff"><command>sdiff</command> merges two files and interactively outputs
the results.</para>

</sect2>



</sect1>