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PERLFAQ(1)							    PERLFAQ(1)

NAME    [Toc]    [Back]

     perlfaq - frequently asked	questions about	Perl ($Date: 1997/04/24
     22:46:06 $)

DESCRIPTION    [Toc]    [Back]

     This document is structured into the following sections:

     perlfaq: Structural overview of the FAQ.
	  This document.

     the perlfaq1 manpage: General Questions About Perl
	  Very general,	high-level information about Perl.

     the perlfaq2 manpage: Obtaining and Learning about	Perl
	  Where	to find	source and documentation to Perl, support and
	  training, and	related	matters.

     the perlfaq3 manpage: Programming Tools
	  Programmer tools and programming support.

     the perlfaq4 manpage: Data	Manipulation
	  Manipulating numbers,	dates, strings,	arrays,	hashes,	and
	  miscellaneous	data issues.

     the perlfaq5 manpage: Files and Formats
	  I/O and the "f" issues: filehandles, flushing, formats and footers.

     the perlfaq6 manpage: Regexps
	  Pattern matching and regular expressions.

     the perlfaq7 manpage: General Perl	Language Issues
	  General Perl language	issues that don't clearly fit into any of the
	  other	sections.

     the perlfaq8 manpage: System Interaction
	  Interprocess communication (IPC), control over the user-interface
	  (keyboard, screen and	pointing devices).

     the perlfaq9 manpage: Networking
	  Networking, the Internet, and	a few on the web.

     Where to get this document    [Toc]    [Back]

     This document is posted regularly to comp.lang.perl.announce and several
     other related newsgroups.	It is available	in a variety of	formats	from
     CPAN in the /CPAN/doc/FAQs/FAQ/ directory,	or on the web at
     http://www.perl.com/perl/faq/ .

     How to contribute to this document    [Toc]    [Back]

									Page 1

PERLFAQ(1)							    PERLFAQ(1)

     You may mail corrections, additions, and suggestions to perlfaqsuggestions@perl.com .  Mail sent to the old perlfaq alias	will merely
     cause the FAQ to be sent to you.

     What will happen if you mail your Perl programming	problems to the

     Your questions will probably go unread, unless they're suggestions	of new
     questions to add to the FAQ, in which case	they should have gone to the
     perlfaq-suggestions@perl.com instead.

     You should	have read section 2 of this faq.  There	you would have learned
     that comp.lang.perl.misc is the appropriate place to go for free advice.
     If	your question is really	important and you require a prompt and correct
     answer, you should	hire a consultant.

Credits    [Toc]    [Back]

     When I first began	the Perl FAQ in	the late 80s, I	never realized it
     would have	grown to over a	hundred	pages, nor that	Perl would ever	become
     so	popular	and widespread.	 This document could not have been written
     without the tremendous help provided by Larry Wall	and the	rest of	the
     Perl Porters.

Author and Copyright Information    [Toc]    [Back]

     Copyright (c) 1997	Tom Christiansen and Nathan Torkington.	 All rights

     Noncommercial Reproduction    [Toc]    [Back]

     Permission	is granted to distribute this document,	in part	or in full,
     via electronic means or printed copy providing that (1) that all credits
     and copyright notices be retained,	(2) that no charges beyond
     reproduction be involved, and (3) that a reasonable attempt be made to
     use the most current version available.

     Furthermore, you may include this document	in any distribution of the
     full Perl source or binaries, in its verbatim documentation, or on	a
     complete dump of the CPAN archive,	providing that the three stipulations
     given above continue to be	met.

     Commercial	Reproduction

     Requests for all other distribution rights, including the incorporation
     in	part or	in full	of this	text or	its code into commercial products such
     as	but not	limited	to books, magazine articles, or	CD-ROMs, must be made
     to	perlfaq-legal@perl.com.	 Any commercial	use of any portion of this
     document without prior written authorization by its authors will be
     subject to	appropriate action.

									Page 2

PERLFAQ(1)							    PERLFAQ(1)

     Disclaimer    [Toc]    [Back]

     This information is offered in good faith and in the hope that it may be
     of	use, but is not	guaranteed to be correct, up to	date, or suitable for
     any particular purpose whatsoever.	 The authors accept no liability in
     respect of	this information or its	use.

Changes    [Toc]    [Back]

	 Style and whitespace changes from Chip, new question on reading one
	 character at a	time from a terminal using POSIX from Tom.

	 Added http://www.oasis.leo.org/perl/ to the perlfaq2 manpage.	Style
	 fix to	the perlfaq3 manpage.  Added floating point precision, fixed
	 complex number	arithmetic, cross-references, caveat for Text::Wrap,
	 alternative answer for	initial	capitalizing, fixed incorrect regexp,
	 added example of Tie::IxHash to the perlfaq4 manpage.	Added example
	 of passing and	storing	filehandles, added commify to the perlfaq5
	 manpage.  Restored variable suicide, and added	mass commenting	to the
	 perlfaq7 manpage.  Added Net::Telnet, fixed backticks,	added
	 reader/writer pair to telnet question,	added FindBin, grouped module
	 questions together in the perlfaq8 manpage.  Expanded caveats for the
	 simple	URL extractor, gave LWP	example, added CGI security question,
	 expanded on the email address answer in the perlfaq9 manpage.

	 Added more info to the	binary distribution section of the perlfaq2
	 manpage.  Added Net::Telnet to	the perlfaq6 manpage.  Fixed typos in
	 the perlfaq8 manpage.	Added mail sending example to the perlfaq9
	 manpage.  Added Merlyn's columns to the perlfaq2 manpage.

	 Added the DATE	to the NAME section, indicating	which sections have

	 Mentioned SIGPIPE and the perlipc manpage in the forking open answer
	 in the	perlfaq8 manpage.

	 Fixed description of a	regular	expression in the perlfaq4 manpage.

     17/March/97 Version
	 Various typos fixed throughout.

	 Added new question on Perl BNF	on the perlfaq7	manpage.

     Initial Release: 11/March/97
	 This is the initial release of	version	3 of the FAQ; consequently
	 there have been no changes since its initial release.

									Page 3

PERLFAQ(1)							    PERLFAQ(1)

									PPPPaaaaggggeeee 4444
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