source: BOOK/final-system/common/grep.xml@ ec1fd50

<?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-grep" role="wrap">
  <?dbhtml filename="grep.html"?>

  <title>Grep-&grep-version;</title>

  <indexterm zone="ch-system-grep">
    <primary sortas="a-Grep">Grep</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The Grep package contains programs for searching through
    files.</para>

  </sect2>

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

    <para os="s1">Fix a potential security issue identified upstream:</para>

<screen os="s2"><userinput>sed -i -e '/tp++/a  if (ep &lt;= tp) break;' src/kwset.c</userinput></screen>

    <para os="a">Prepare Grep for compilation:</para>

<screen os="b"><userinput>./configure \
    --prefix=/usr \
    --bindir=/bin</userinput></screen>

    <para os="c">Compile the package:</para>

<screen os="d"><userinput>make</userinput></screen>

    <para os="e">To test the results, issue:</para>

<screen os="e2"><userinput remap="test">make check</userinput></screen>

    <para os="f">Install the package:</para>

<screen os="g"><userinput>make install</userinput></screen>

  </sect2>

  <sect2 id="contents-grep" role="content">
    <title>Contents of Grep</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>

      <seglistitem>
        <seg>egrep, fgrep, grep</seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="egrep">
        <term><command>egrep</command></term>
        <listitem>
          <para>Prints lines matching an extended regular expression</para>
          <indexterm zone="ch-system-grep egrep">
            <primary sortas="b-egrep">egrep</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="fgrep">
        <term><command>fgrep</command></term>
        <listitem>
          <para>Prints lines matching a list of fixed strings</para>
          <indexterm zone="ch-system-grep fgrep">
            <primary sortas="b-fgrep">fgrep</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="grep">
        <term><command>grep</command></term>
        <listitem>
          <para>Prints lines matching a basic regular expression</para>
          <indexterm zone="ch-system-grep grep">
            <primary sortas="b-grep">grep</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>