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PERLBUG(1)			 Perl Programmers Reference Guide		       PERLBUG(1)

NAME
       perlbug - how to submit bug reports on Perl

SYNOPSIS
       perlbug

       perlbug [ -v ] [ -a address ] [ -s subject ] [ -b body | -f inputfile ] [ -F outputfile ]
       [ -r returnaddress ] [ -e editor ] [ -c adminaddress | -C ] [ -S ] [ -t ]  [ -d ]  [ -A ]
       [ -h ]

       perlbug [ -v ] [ -r returnaddress ]
	[ -A ] [ -ok | -okay | -nok | -nokay ]

DESCRIPTION
       This program is designed to help you generate and send bug reports (and thank-you notes)
       about perl5 and the modules which ship with it.

       In most cases, you can just run it interactively from a command line without any special
       arguments and follow the prompts.

       If you have found a bug with a non-standard port (one that was not part of the standard
       distribution), a binary distribution, or a non-core module (such as Tk, DBI, etc), then
       please see the documentation that came with that distribution to determine the correct
       place to report bugs.

       If you are unable to send your report using perlbug (most likely because your system
       doesn't have a way to send mail that perlbug recognizes), you may be able to use this tool
       to compose your report and save it to a file which you can then send to perlbug@perl.org
       using your regular mail client.

       In extreme cases, perlbug may not work well enough on your system to guide you through
       composing a bug report. In those cases, you may be able to use perlbug -d to get system
       configuration information to include in a manually composed bug report to perl-
       bug@perl.org.

       When reporting a bug, please run through this checklist:

       What version of Perl you are running?
	   Type "perl -v" at the command line to find out.

       Are you running the latest released version of perl?
	   Look at http://www.perl.org/ to find out.  If you are not using the latest released
	   version, please try to replicate your bug on the latest stable release.

	   Note that reports about bugs in old versions of Perl, especially those which indicate
	   you haven't also tested the current stable release of Perl, are likely to receive less
	   attention from the volunteers who build and maintain Perl than reports about bugs in
	   the current release.

	   This tool isn't apropriate for reporting bugs in any version prior to Perl 5.0.

       Are you sure what you have is a bug?
	   A significant number of the bug reports we get turn out to be documented features in
	   Perl.  Make sure the issue you've run into isn't intentional by glancing through the
	   documentation that comes with the Perl distribution.

	   Given the sheer volume of Perl documentation, this isn't a trivial undertaking, but if
	   you can point to documentation that suggests the behaviour you're seeing is wrong,
	   your issue is likely to receive more attention. You may want to start with perldoc
	   perltrap for pointers to common traps that new (and experienced) Perl programmers run
	   into.

	   If you're unsure of the meaning of an error message you've run across, perldoc perl-
	   diag for an explanation.  If the message isn't in perldiag, it probably isn't gener-
	   ated by Perl.  You may have luck consulting your operating system documentation
	   instead.

	   If you are on a non-UNIX platform perldoc perlport, as some features may be unimple-
	   mented or work differently.

	   You may be able to figure out what's going wrong using the Perl debugger.  For infor-
	   mation about how to use the debugger perldoc perldebug.

       Do you have a proper test case?
	   The easier it is to reproduce your bug, the more likely it will be fixed --	if nobody
	   can duplicate your problem, it probably won't be addressed.

	   A good test case has most of these attributes: short, simple code; few dependencies on
	   external commands, modules, or libraries; no platform-dependent code (unless it's a
	   platform-specific bug); clear, simple documentation.

	   A good test case is almost always a good candidate to be included in Perl's test
	   suite.  If you have the time, consider writing your test case so that it can be easily
	   included into the standard test suite.

       Have you included all relevant information?
	   Be sure to include the exact error messages, if any.  "Perl gave an error" is not an
	   exact error message.

	   If you get a core dump (or equivalent), you may use a debugger (dbx, gdb, etc) to pro-
	   duce a stack trace to include in the bug report.

	   NOTE: unless your Perl has been compiled with debug info (often -g), the stack trace
	   is likely to be somewhat hard to use because it will most probably contain only the
	   function names and not their arguments.  If possible, recompile your Perl with debug
	   info and reproduce the crash and the stack trace.

       Can you describe the bug in plain English?
	   The easier it is to understand a reproducible bug, the more likely it will be fixed.
	   Any insight you can provide into the problem will help a great deal.  In other words,
	   try to analyze the problem (to the extent you can) and report your discoveries.

       Can you fix the bug yourself?
	   A bug report which includes a patch to fix it will almost definitely be fixed.  When
	   sending a patch, please use the "diff" program with the "-u" option to generate "uni-
	   fied" diff files.  Bug reports with patches are likely to receive significantly more
	   attention and interest than those without patches.

	   Your patch may be returned with requests for changes, or requests for more detailed
	   explanations about your fix.

	   Here are a few hints for creating high-quality patches:

	   Make sure the patch is not reversed (the first argument to diff is typically the orig-
	   inal file, the second argument your changed file).  Make sure you test your patch by
	   applying it with the "patch" program before you send it on its way.	Try to follow the
	   same style as the code you are trying to patch.  Make sure your patch really does work
	   ("make test", if the thing you're patching is covered by Perl's test suite).

       Can you use "perlbug" to submit the report?
	   perlbug will, amongst other things, ensure your report includes crucial information
	   about your version of perl.	If "perlbug" is unable to mail your report after you have
	   typed it in, you may have to compose the message yourself, add the output produced by
	   "perlbug -d" and email it to perlbug@perl.org.  If, for some reason, you cannot run
	   "perlbug" at all on your system, be sure to include the entire output produced by run-
	   ning "perl -V" (note the uppercase V).

	   Whether you use "perlbug" or send the email manually, please make your Subject line
	   informative.  "a bug" is not informative.  Neither is "perl crashes" nor is "HELP!!!".
	   These don't help.  A compact description of what's wrong is fine.

       Having done your bit, please be prepared to wait, to be told the bug is in your code, or
       possibly to get no reply at all.  The volunteers who maintain Perl are busy folks, so if
       your problem is an obvious bug in your own code, is difficult to understand or is a dupli-
       cate of an existing report, you may not receive a personal reply.

       If it is important to you that your bug be fixed, do monitor the perl5-porters@perl.org
       mailing list and the commit logs to development versions of Perl, and encourage the main-
       tainers with kind words or offers of frosty beverages.  (Please do be kind to the main-
       tainers.  Harassing or flaming them is likely to have the opposite effect of the one you
       want.)

       Feel free to update the ticket about your bug on http://rt.perl.org if a new version of
       Perl is released and your bug is still present.

OPTIONS
       -a      Address to send the report to.  Defaults to perlbug@perl.org.

       -A      Don't send a bug received acknowledgement to the reply address.	Generally it is
	       only a sensible to use this option if you are a perl maintainer actively watching
	       perl porters for your message to arrive.

       -b      Body of the report.  If not included on the command line, or in a file with -f,
	       you will get a chance to edit the message.

       -C      Don't send copy to administrator.

       -c      Address to send copy of report to.  Defaults to the address of the local perl
	       administrator (recorded when perl was built).

       -d      Data mode (the default if you redirect or pipe output).	This prints out your con-
	       figuration data, without mailing anything.  You can use this with -v to get more
	       complete data.

       -e      Editor to use.

       -f      File containing the body of the report.	Use this to quickly send a prepared mes-
	       sage.

       -F      File to output the results to instead of sending as an email. Useful particularly
	       when running perlbug on a machine with no direct internet connection.

       -h      Prints a brief summary of the options.

       -ok     Report successful build on this system to perl porters. Forces -S and -C. Forces
	       and supplies values for -s and -b. Only prompts for a return address if it cannot
	       guess it (for use with make). Honors return address specified with -r.  You can
	       use this with -v to get more complete data.   Only makes a report if this system
	       is less than 60 days old.

       -okay   As -ok except it will report on older systems.

       -nok    Report unsuccessful build on this system.  Forces -C.  Forces and supplies a value
	       for -s, then requires you to edit the report and say what went wrong.  Alterna-
	       tively, a prepared report may be supplied using -f.  Only prompts for a return
	       address if it cannot guess it (for use with make). Honors return address specified
	       with -r.  You can use this with -v to get more complete data.  Only makes a report
	       if this system is less than 60 days old.

       -nokay  As -nok except it will report on older systems.

       -r      Your return address.  The program will ask you to confirm its default if you don't
	       use this option.

       -S      Send without asking for confirmation.

       -s      Subject to include with the message.  You will be prompted if you don't supply one
	       on the command line.

       -t      Test mode.  The target address defaults to perlbug-test@perl.org.

       -v      Include verbose configuration data in the report.

AUTHORS
       Kenneth Albanowski (<kjahds@kjahds.com>), subsequently doctored by Gurusamy Sarathy
       (<gsar@activestate.com>), Tom Christiansen (<tchrist@perl.com>), Nathan Torkington
       (<gnat@frii.com>), Charles F. Randall (<cfr@pobox.com>), Mike Guy (<mjtg@cam.a.uk>),
       Dominic Dunlop (<domo@computer.org>), Hugo van der Sanden (<hv@crypt.org<gt>), Jarkko
       Hietaniemi (<jhi@iki.fi>), Chris Nandor (<pudge@pobox.com>), Jon Orwant
       (<orwant@media.mit.edu>, Richard Foley (<richard.foley@rfi.net>), and Jesse Vincent
       (<jesse@bestpractical.com<gt>).

SEE ALSO
       perl(1), perldebug(1), perldiag(1), perlport(1), perltrap(1), diff(1), patch(1), dbx(1),
       gdb(1)

BUGS
       None known (guess what must have been used to report them?)

perl v5.8.9				    2009-04-13				       PERLBUG(1)
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