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<HTML><!--Distributed by F --><HEAD><TITLE>[Chapter 37] Perl, a Pathologically Eclectic Rubbish Lister</TITLE><METANAME="DC.title"CONTENT="UNIX Power Tools"><METANAME="DC.creator"CONTENT="Jerry Peek, Tim O'Reilly & Mike Loukides"><METANAME="DC.publisher"CONTENT="O'Reilly & Associates, Inc."><METANAME="DC.date"CONTENT="1998-08-04T21:48:50Z"><METANAME="DC.type"CONTENT="Text.Monograph"><METANAME="DC.format"CONTENT="text/html"SCHEME="MIME"><METANAME="DC.source"CONTENT="1-56592-260-3"SCHEME="ISBN"><METANAME="DC.language"CONTENT="en-US"><METANAME="generator"CONTENT="Jade 1.1/O'Reilly DocBook 3.0 to HTML 4.0"><LINKREV="made"HREF="mailto:online-books@oreilly.com"TITLE="Online Books Comments"><LINKREL="up"HREF="part05.htm"TITLE="V. Text Editing "><LINKREL="prev"HREF="ch36_09.htm"TITLE="36.9 Sorting a List of People by Last Name "><LINKREL="next"HREF="ch37_02.htm"TITLE="37.2 Why Learn Perl? #1 "></HEAD><BODYBGCOLOR="#FFFFFF"TEXT="#000000"><DIVCLASS="htmlnav"><H1><IMGSRC="gifs/smbanner.gif"ALT="UNIX Power Tools"USEMAP="#srchmap"BORDER="0"></H1><MAPNAME="srchmap"><AREASHAPE="RECT"COORDS="0,0,466,58"HREF="index.htm"ALT="UNIX Power Tools"><AREASHAPE="RECT"COORDS="467,0,514,18"HREF="jobjects/fsearch.htm"ALT="Search this book"></MAP><TABLEWIDTH="515"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch36_09.htm"TITLE="36.9 Sorting a List of People by Last Name "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 36.9 Sorting a List of People by Last Name "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><B><FONTFACE="ARIEL,HELVETICA,HELV,SANSERIF"SIZE="-1">Chapter 37</FONT></B></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch37_02.htm"TITLE="37.2 Why Learn Perl? #1 "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 37.2 Why Learn Perl? #1 "BORDER="0"></A></TD></TR></TABLE> <HRALIGN="LEFT"WIDTH="515"TITLE="footer"></DIV><DIVCLASS="CHAPTER"><H1CLASS="chapter"><ACLASS="title"NAME="UPT-CHP-37">37. Perl, a Pathologically Eclectic Rubbish Lister</A></H1><DIVCLASS="htmltoc"><P><B>Contents:</B><BR><ACLASS="sect1"HREF="#UPT-ART-5560"TITLE="37.1 What We Do and Don't Tell You About Perl ">What We Do and Don't Tell You About Perl </A><BR><ACLASS="sect1"HREF="ch37_02.htm"TITLE="37.2 Why Learn Perl? #1 ">Why Learn Perl? #1 </A><BR><ACLASS="sect1"HREF="ch37_03.htm"TITLE="37.3 Three Great Virtues of a Programmer ">Three Great Virtues of a Programmer </A><BR><ACLASS="sect1"HREF="ch37_04.htm"TITLE="37.4 Why Learn Perl? #2 ">Why Learn Perl? #2 </A><BR><ACLASS="sect1"HREF="ch37_05.htm"TITLE="37.5 And Now, Perl 5 ">And Now, Perl 5 </A></P><P></P></DIV><DIVCLASS="sect1"><H2CLASS="sect1"><ACLASS="title"NAME="UPT-ART-5560">37.1 What We Do and Don't Tell You About Perl </A></H2><PCLASS="para"><ACLASS="indexterm"NAME="AUTOID-41881"></A>Unlike most of the chapters in this book, this one really doesn't sayvery much about what Perl does or how to use it.<EMCLASS="emphasis">perl</EM> (theprogram) is quite easy to use; Perl (the language, for which<EMCLASS="emphasis">perl</EM> is an interpreter) is also easy to learn, especially ifyou know some of the other tools that it is designed to replace.However, it is also quite large and complex - sufficiently so thateven the quick reference treatment we gave to <SPANCLASS="link"><EMCLASS="emphasis">sed</EM> (<ACLASS="linkend"HREF="ch34_24.htm"TITLE="Quick Reference: sed ">34.24</A>)</SPAN>would be difficult to fit in here.</P><TABLECLASS="para.programreference"BORDER="1"><TR><THVALIGN="TOP"><ACLASS="programreference"HREF="examples/index.htm"TITLE="perl5">perl5</A><BR></TH><TDVALIGN="TOP">Instead, we've contented ourselves with two "arguments" for usingPerl, both of which will give you a sense of what the languagecontains and why its users are so passionate about it. The CD-ROM contains the latest Perl version, Perl 5, and you can readabout <SPANCLASS="link">the new benefits of that version (<ACLASS="linkend"HREF="ch37_05.htm"TITLE="And Now, Perl 5 ">37.5</A>)</SPAN>. </TD></TR></TABLE><PCLASS="para">Throughout the book, you'll find sprinkled a few Perlscripts.</P><PCLASS="para">If you are interested in learning more about Perl, try the NutshellHandbooks <EMCLASS="emphasis">Learning Perl</EM> and <EMCLASS="emphasis">Programming Perl</EM>...or just start in,using theextensive manual page stored with <EMCLASS="emphasis">perl</EM> itself on the Power Toolsdisc.</P><DIVCLASS="sect1info"><PCLASS="SECT1INFO">- <SPANCLASS="authorinitials">TOR</SPAN>, <SPANCLASS="authorinitials">JP</SPAN></P></DIV></DIV></DIV><DIVCLASS="htmlnav"><P></P><HRALIGN="LEFT"WIDTH="515"TITLE="footer"><TABLEWIDTH="515"BORDER="0"CELLSPACING="0"CELLPADDING="0"><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch36_09.htm"TITLE="36.9 Sorting a List of People by Last Name "><IMGSRC="gifs/txtpreva.gif"SRC="gifs/txtpreva.gif"ALT="Previous: 36.9 Sorting a List of People by Last Name "BORDER="0"></A></TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><ACLASS="book"HREF="index.htm"TITLE="UNIX Power Tools"><IMGSRC="gifs/txthome.gif"SRC="gifs/txthome.gif"ALT="UNIX Power Tools"BORDER="0"></A></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172"><ACLASS="SECT1"HREF="ch37_02.htm"TITLE="37.2 Why Learn Perl? #1 "><IMGSRC="gifs/txtnexta.gif"SRC="gifs/txtnexta.gif"ALT="Next: 37.2 Why Learn Perl? #1 "BORDER="0"></A></TD></TR><TR><TDALIGN="LEFT"VALIGN="TOP"WIDTH="172">36.9 Sorting a List of People by Last Name </TD><TDALIGN="CENTER"VALIGN="TOP"WIDTH="171"><ACLASS="index"HREF="index/idx_0.htm"TITLE="Book Index"><IMGSRC="gifs/index.gif"SRC="gifs/index.gif"ALT="Book Index"BORDER="0"></A></TD><TDALIGN="RIGHT"VALIGN="TOP"WIDTH="172">37.2 Why Learn Perl? #1 </TD></TR></TABLE><HRALIGN="LEFT"WIDTH="515"TITLE="footer"><IMGSRC="gifs/smnavbar.gif"SRC="gifs/smnavbar.gif"USEMAP="#map"BORDER="0"ALT="The UNIX CD Bookshelf Navigation"><MAPNAME="map"><AREASHAPE="RECT"COORDS="0,0,73,21"HREF="../index.htm"ALT="The UNIX CD Bookshelf"><AREASHAPE="RECT"COORDS="74,0,163,21"HREF="index.htm"ALT="UNIX Power Tools"><AREASHAPE="RECT"COORDS="164,0,257,21"HREF="../unixnut/index.htm"ALT="UNIX in a Nutshell"><AREASHAPE="RECT"COORDS="258,0,321,21"HREF="../vi/index.htm"ALT="Learning the vi Editor"><AREASHAPE="RECT"COORDS="322,0,378,21"HREF="../sedawk/index.htm"ALT="sed & awk"><AREASHAPE="RECT"COORDS="379,0,438,21"HREF="../ksh/index.htm"ALT="Learning the Korn Shell"><AREASHAPE="RECT"COORDS="439,0,514,21"HREF="../lrnunix/index.htm"ALT="Learning the UNIX Operating System"></MAP></DIV></BODY></HTML>⌨️ 快捷键说明
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