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=head1 NAME
perlfaq - frequently asked questions about Perl ($Date: 1997/03/25 18:20:48 $)
=head1 DESCRIPTION
This document is structured into the following sections:
=over
=item perlfaq: Structural overview of the FAQ.
This document.
=item L<perlfaq1>: General Questions About Perl
Very general, high-level information about Perl.
=item L<perlfaq2>: Obtaining and Learning about Perl
Where to find source and documentation to Perl, support and training,
and related matters.
=item L<perlfaq3>: Programming Tools
Programmer tools and programming support.
=item L<perlfaq4>: Data Manipulation
Manipulating numbers, dates, strings, arrays, hashes, and
miscellaneous data issues.
=item L<perlfaq5>: Files and Formats
I/O and the "f" issues: filehandles, flushing, formats and footers.
=item L<perlfaq6>: Regexps
Pattern matching and regular expressions.
=item L<perlfaq7>: General Perl Language Issues
General Perl language issues that don't clearly fit into any of the
other sections.
=item L<perlfaq8>: System Interaction
Interprocess communication (IPC), control over the user-interface
(keyboard, screen and pointing devices).
=item L<perlfaq9>: Networking
Networking, the Internet, and a few on the web.
=back
=head2 Where to get this document
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/ .
=head2 How to contribute to this document
You may mail corrections, additions, and suggestions to
perlfaq-suggestions@perl.com. Mail sent to the old perlfaq alias will
merely cause the FAQ to be sent to you.
=head2 What will happen if you mail your Perl programming problems to the authors
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.
=head1 Credits
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.
=head1 Author and Copyright Information
Copyright (c) 1997 Tom Christiansen and Nathan Torkington.
All rights reserved.
=head2 Noncommercial Reproduction
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.
=head2 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.
=head2 Disclaimer
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.
=head1 Changes
=over 4
=item 25/March/97
Added more info to the binary distribution section of L<perlfaq2>.
Added Net::Telnet to L<perlfaq6>. Fixed typos in L<perlfaq8>. Added
mail sending example to L<perlfaq9>. Added Merlyn's columns to
L<perlfaq2>.
=item 18/March/97
Added the DATE to the NAME section, indicating which sections have
changed.
Mentioned SIGPIPE and L<perlipc> in the forking open answer in
L<perlfaq8>.
Fixed description of a regular expression in L<perlfaq4>.
=item 17/March/97 Version
Various typos fixed throughout.
Added new question on Perl BNF on L<perlfaq7>.
=item 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.
=back
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