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.\" ========================================================================
.\"
.IX Title "Module::Versions::Report 3pm"
.TH Module::Versions::Report 3pm "2008-10-21" "perl v5.10.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Module::Versions::Report \-\- report versions of all modules in memory
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Module::Versions::Report;
\&  
\&  ...and any code you want...
.Ve
.PP
This will run all your code normally, but then as the Perl
interpreter is about to exit, it will print something
like:
.PP
.Vb 10
\&  Perl v5.6.1 under MSWin32.
\&   Modules in memory:
\&    attributes;
\&    AutoLoader v5.58;
\&    Carp;
\&    Config;
\&    DynaLoader v1.04;
\&    Exporter v5.562;
\&    Module::Versions::Report v1.01;
\&    HTML::Entities v1.22;
\&    HTML::HeadParser v2.15;
\&    HTML::Parser v3.25;
\&    [... and whatever other modules were loaded that session...]
.Ve
.PP
Consider its use from the command line:
.PP
.Vb 1
\&  % perl \-MModule::Versions::Report \-MLWP \-e 1
\&
\&  Perl v5.6.1 under MSWin32.
\&   Modules in memory:
\&    attributes;
\&    AutoLoader v5.58;
\&    [...]
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
I often get email from someone reporting a bug in a module I've
written.  I email back, asking what version of the module it is,
what version of Perl on what \s-1OS\s0, and sometimes what version of
some relevent third library (like XML::Parser).  They reply,
saying \*(L"Perl 5\*(R".  I say "I need the exact version, as reported
by \f(CW\*(C`perl \-v\*(C'\fR\*(L".  They tell me.  And I say \*(R"I, uh, also asked about
the version of my module and XML::Parser [or whatever]\*(L".  They say
\&\*(R"Oh yeah.  It's 2.27\*(L".  \*(R"Is that my module or XML::Parser?\*(L" 
\&\*(R"XML::Parser.\*(L"  \*(R"\s-1OK\s0, and what about my module's
version?\*(L"  \*(R"Ohyeah.  That's 3.11."  By this time, days have passed,
and what should have been a simple operation \*(-- reporting the version
of Perl and relevent modules, has been needlessly complicated.
.PP
This module is for simplifying that task.  If you add \*(L"use
Module::Versions::Report;\*(R" to a program (especially handy if your
program is one that demonstrates a bug in some module), then when the
program has finished running, you well get a report detailing the all
modules in memory, and noting the version of each (for modules that
defined a \f(CW$VERSION\fR, at least).
.SH "USING"
.IX Header "USING"
.SS "Importing"
.IX Subsection "Importing"
If this package is imported then \s-1END\s0 block is set, and report printed to
stdout on a program exit, so use \f(CW\*(C`use Module::Versions::Report;\*(C'\fR if you
need a report on exit or \f(CW\*(C`use Module::Versions::Report ();\*(C'\fR otherwise
and call report or print_report functions yourself.
.SS "report and print_report functions"
.IX Subsection "report and print_report functions"
The first one returns preformatted report as a string, the latter outputs
a report to stdout.
.SH "COPYRIGHT AND DISCLAIMER"
.IX Header "COPYRIGHT AND DISCLAIMER"
Copyright 2001\-2003 Sean M. Burke. This library is free software; you
can redistribute it and/or modify it under the same terms as Perl
itself.
.PP
This program is distributed in the hope that it will be useful, but
without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
.SH "MAINTAINER"
.IX Header "MAINTAINER"
Ruslan U. Zakirov <ruz@bestpractical.com>
.SH "AUTHOR"
.IX Header "AUTHOR"
Sean M. Burke, <sburke@cpan.org>