Devel::TraceLoad - Discover which modules a Perl program loads.

This document describes Devel::TraceLoad version 1.04

    $ perl -MDevel::TraceLoad=summary my_prog.pl

    Loaded Modules Cross Reference
    ==============================

    base (2.06)
        andy/Spork.pm (Spork), line 7
    Carp (1.03)
        andy/Spork.pm (Spork), line 5
    Config
        /System/Library/Perl/5.8.6/darwin-thread-multi-2level/lib.pm (lib), line 6
    lib (0.5565)
        andy/my_prog.pl (main), line 5
    Spork (0.0.3)
        andy/my_prog.pl (main), line 11
    strict (1.03)
        /System/Library/Perl/5.8.6/darwin-thread-multi-2level/lib.pm (lib), line 8
        andy/my_prog.pl (main), line 3
        andy/Spork.pm (Spork), line 3
    vars (1.01)
        andy/Spork.pm (Spork), line 9
    warnings (1.03)
        andy/my_prog.pl (main), line 4
        andy/Spork.pm (Spork), line 4

    Required versions
    =================

        5.008005 andy/Spork.pm (Spork), line 14
        5.006001 andy/my_prog.pl (main), line 7

Typically Devel::TraceLoad will be loaded from the command line:

    $ perl -MDevel::TraceLoad=summary my_prog.pl

A number of options are recognised.

after

Display a summary of required modules after execution.

during

Display requires as they happen.

yaml

Write a YAML format summary to traceload.yaml.

dump

Dump output to a file called 'traceload' in the current dir.

summary

Display summary of dependencies after execution.

stdout

Output to STDOUT instead of STDERR.

Devel::TraceLoad requires no configuration files or environment variables.

YAML is required for yaml output.

None reported.

No bugs have been reported.

Please report any bugs or feature requests to bug-devel-traceload@rt.cpan.org>, or through the web interface at http://rt.cpan.org.

Andy Armstrong <andy@hexten.net>

Original version by Philippe Verdret <pverdret@dalet.com>, from the basis of an idea of Joshua Pritikin <vishnu@pobox.com>.

Copyright (c) 2007, Andy Armstrong <andy@hexten.net>.

This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See perlartistic.

BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.

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