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199 lines
6.0 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content=
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"application/xhtml+xml; charset=utf-8" />
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<title>
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6.34. Grep-2.21
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</title>
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</head>
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<body class="lfs" id="lfs-7.7-systemd">
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<div class="navheader">
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<h4>
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Linux From Scratch - Version 7.7-systemd
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</h4>
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<h3>
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Chapter 6. Installing Basic System Software
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</h3>
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Bison-3.0.4
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Readline-6.3
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</div>
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<div class="wrap" lang="en" xml:lang="en">
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<h1 class="sect1">
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<a id="ch-system-grep" name="ch-system-grep"></a>6.34. Grep-2.21
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</h1>
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<div class="package" lang="en" xml:lang="en">
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<p>
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The Grep package contains programs for searching through files.
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</p>
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<div class="segmentedlist">
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<div class="seglistitem">
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<div class="seg">
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<strong class="segtitle">Approximate build time:</strong>
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<span class="segbody">0.4 SBU</span>
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</div>
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<div class="seg">
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<strong class="segtitle">Required disk space:</strong>
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<span class="segbody">30 MB</span>
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</div>
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</div>
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</div>
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</div>
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<div class="installation" lang="en" xml:lang="en">
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<h2 class="sect2">
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6.34.1. Installation of Grep
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</h2>
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<p>
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First fix a potential security issue identified upstream:
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</p>
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<pre class="userinput">
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<kbd class=
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"command">sed -i -e '/tp++/a if (ep <= tp) break;' src/kwset.c</kbd>
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</pre>
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<p>
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Prepare Grep for compilation:
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</p>
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<pre class="userinput">
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<kbd class="command">./configure --prefix=/usr --bindir=/bin</kbd>
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</pre>
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<p>
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Compile the package:
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</p>
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<pre class="userinput">
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<kbd class="command">make</kbd>
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</pre>
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<p>
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To test the results, issue:
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</p>
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<pre class="userinput">
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<kbd class="command">make check</kbd>
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</pre>
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<p>
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Install the package:
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</p>
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<pre class="userinput">
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<kbd class="command">make install</kbd>
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</pre>
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</div>
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<div class="content" lang="en" xml:lang="en">
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<h2 class="sect2">
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<a id="contents-grep" name="contents-grep"></a>6.34.2. Contents of
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Grep
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</h2>
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<div class="segmentedlist">
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<div class="seglistitem">
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<div class="seg">
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<strong class="segtitle">Installed programs:</strong>
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<span class="segbody">egrep, fgrep, and grep</span>
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</div>
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</div>
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</div>
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<div class="variablelist">
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<h3>
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Short Descriptions
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</h3>
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<table border="0" class="variablelist">
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<colgroup>
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<col align="left" valign="top" />
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<col />
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</colgroup>
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<tbody>
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<tr>
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<td>
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<p>
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<a id="egrep" name="egrep"></a><span class=
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"term"><span class=
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"command"><strong>egrep</strong></span></span>
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</p>
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</td>
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<td>
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<p>
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Prints lines matching an extended regular expression
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<a id="fgrep" name="fgrep"></a><span class=
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"term"><span class=
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"command"><strong>fgrep</strong></span></span>
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</p>
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</td>
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<td>
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<p>
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Prints lines matching a list of fixed strings
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<a id="grep" name="grep"></a><span class=
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"term"><span class=
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"command"><strong>grep</strong></span></span>
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</p>
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</td>
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<td>
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<p>
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Prints lines matching a basic regular expression
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</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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Bison-3.0.4
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<a accesskey="n" href="readline.html" title="Readline-6.3">Next</a>
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<p>
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Readline-6.3
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</p>
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<li class="up">
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<a accesskey="u" href="chapter06.html" title=
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"Chapter 6. Installing Basic System Software">Up</a>
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