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README

NAME
    perlrocks - CPAN installation management

VERSION
    0.02

SYNOPSIS
    A command 'perlrocks' is installed to install cpan distributions:

        > perlrocks search Moose

        # Install multiple vesion of Moose
        > perlrocks install -v 2.0009 Moose
        > perlrocks install -v 1.13 Moose

        # Uninstall is possible
        > rock uninstall Moose-1.14

    Modify your program a little bit to make it effective.

        # Put this in the very beginning of your program.
        use perlrocks;

        # Using the latest version of intsalled Moose
        use Moose;

        # Using exactly the version 2.0008 of Moose.
        use Moose-2.0008

DESCRIPTION
    This `perlrocks` things provides a mechanism to install multiple
    versions of CPAN distributions, and use specific one in programs.

    In Perl5, the statement "use Foo 1.0" or "use Foo-1.0" means to load
    Foo.pm and check if $Foo::VERSION is at least 1.0. perlrocks alters that
    behavior to load exactly Foo 1.0. If only higher versions of Foo are
    found, it dies.

    In order to do that, `perlrocks` makes perl search libs in a different
    way. Therefore, you need to install CPAN distributions differently. To
    do so, you must use the "perlrocks" command:

        perlrocks install -v 2.0008 Moose
        perlrocks install -v 2.0009 Moose

    Also notice here in the document, the term "distribution" is used to
    refer to "the thing that gets uploaded to CPAN". Not "module", not
    "package". For example, To install MooseX::Struct module, you'll need to
    figure out the distribution name that provides it, in this case it's
    "MooseX-Struct":

        perlrocks install MooseX-Struct

    Since one CPAN distribution can contain as many modules as needed, each
    with different versions, it is ambiguous to state the command to install
    "Foo::Bar" module, with the version number refering to the "Foo"
    distribution.

    Be aware of that "perlrocks.pm" tweaks your %INC, and it maybe
    significantly slower. Use it at your own risk.

METHODS
SEE ALSO
    only, <http://rubygems.org>

AUTHOR
    Kang-min Liu "<gugod@gugod.org>"

COPYRIGHT
    Copyright (c) 2011 Kang-min Liu "<gugod@gugod.org>".

LICENCE
    CC0 <http://creativecommons.org/publicdomain/zero/1.0/>

CONTRIBUTORS
    See <https://github.com/gugod/perlrocks/contributors>

DISCLAIMER OF WARRANTY
    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.

    IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
    WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
    REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE LIABLE
    TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR
    CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
    SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
    RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
    FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
    SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
    DAMAGES.

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