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<HTML><HEAD><TITLE>Flex</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.63"><LINKREL="HOME"TITLE="Linux From Scratch"HREF="../index.html"><LINKREL="UP"TITLE="Package descriptions"HREF="../appendixa/appendixa.html"><LINKREL="PREVIOUS"TITLE="Automake"HREF="../appendixa/automake.html"><LINKREL="NEXT"TITLE="File"HREF="../appendixa/file.html"></HEAD><BODYCLASS="sect1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">Linux From Scratch: Version 3.1</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="../appendixa/automake.html">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Appendix A. Package descriptions</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="../appendixa/file.html">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="sect1"><H1CLASS="sect1"><ANAME="aa-flex">A.33. Flex</A></H1><DIVCLASS="sect2"><H2CLASS="sect2"><ANAME="AEN5414">A.33.1. Contents</A></H2><P>The Flex package contains the flex program</P></DIV><DIVCLASS="sect2"><H2CLASS="sect2"><ANAME="AEN5417">A.33.2. Description</A></H2><P>Flex is a tool for generating programs which recognize patterns in text. Pattern recognition is very useful in many applications. A user sets up rules what to look for and flex will make a program that looks for thosepatterns. The reason people use flex is that it is much easier to sets up rules for what to look for than to write the actual program that finds the text.</P></DIV></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLEWIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="../appendixa/automake.html">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="../index.html">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="../appendixa/file.html">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Automake</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="../appendixa/appendixa.html">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">File</TD></TR></TABLE></DIV></BODY></HTML>

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