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Manual Reference Pages  -  APP::PERLBREW (3)

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NAME

App::perlbrew - Manage perl installations in your "$HOME"

    SYNOPSIS



    # Installation
    curl -L http://install.perlbrew.pl | bash

    # Initialize
    perlbrew init

    # See what is available
    perlbrew available

    # Install some Perls
    perlbrew install 5.18.2
    perlbrew install perl-5.8.1
    perlbrew install perl-5.19.9

    # See what were installed
    perlbrew list

    # Swith to an installation and set it as default
    perlbrew switch perl-5.18.2

    # Temporarily use another version only in current shell.
    perlbrew use perl-5.8.1
    perl -v

    # Or turn it off completely. Useful when you messed up too deep.
    # Or want to go back to the system Perl.
    perlbrew off

    # Use switch command to turn it back on.
    perlbrew switch perl-5.12.2

    # Exec something with all perlbrew-ed perls
    perlbrew exec -- perl -E say $]



    DESCRIPTION

perlbrew is a program to automate the building and installation of perl in an easy way. It provides multiple isolated perl environments, and a mechanism for you to switch between them.

Everything are installed unter ~/perl5/perlbrew. You then need to include a bashrc/cshrc provided by perlbrew to tweak the PATH for you. You then can benefit from not having to run sudo commands to install cpan modules because those are installed inside your HOME too.

For the documentation of perlbrew usage see perlbrew command on MetaCPAN <https://metacpan.org/>, or by running perlbrew help, or by visiting perlbrew’s official website <http://perlbrew.pl/>. The following documentation features the API of App::perlbrew module, and may not be remotely close to what your want to read.

    INSTALLATION

It is the simplest to use the perlbrew installer, just paste this statement to your terminal:



    curl -L http://install.perlbrew.pl | bash



Or this one, if you have fetch (default on FreeBSD):



    fetch -o- http://install.perlbrew.pl | sh



After that, perlbrew installs itself to ~/perl5/perlbrew/bin, and you should follow the instruction on screen to modify your shell rc file to put it in your PATH.

The installed perlbrew command is a standalone executable that can be run with system perl. The minimum system perl version requirement is 5.8.0, which should be good enough for most of the OSes these days.

A fat-packed version of patchperl is also installed to ~/perl5/perlbrew/bin, which is required to build old perls.

The directory ~/perl5/perlbrew will contain all install perl executables, libraries, documentations, lib, site_libs. In the documentation, that directory is referred as perlbrew root. If you need to set it to somewhere else because, say, your HOME has limited quota, you can do that by setting PERLBREW_ROOT environment variable before running the installer:



    export PERLBREW_ROOT=/opt/perl5
    curl -L http://install.perlbrew.pl | bash



As a result, different users on the same machine can all share the same perlbrew root directory (although only original user that made the installation would have the permission to perform perl installations.)

You may also install perlbrew from CPAN:



    cpan App::perlbrew



In this case, the perlbrew command is installed as /usr/bin/perlbrew or /usr/local/bin/perlbrew or others, depending on the location of your system perl installation.

Please make sure not to run this with one of the perls brewed with perlbrew. It’s the best to turn perlbrew off before you run that, if you’re upgrading.



    perlbrew off
    cpan App::perlbrew



You should always use system cpan (like /usr/bin/cpan) to install App::perlbrew because it will be installed under a system PATH like /usr/bin, which is not affected by perlbrew switch or use command.

The self-upgrade command will not upgrade the perlbrew installed by cpan command, but it is also easy to upgrade perlbrew by running cpan App::perlbrew again.

    METHODS

(Str) current_perl Return the current perl object attribute string, or, if absent, the value of PERLBREW_PERL environment variable.
(Str) current_perl (Str) Set the current_perl object attribute to the given value.

    PROJECT DEVELOPMENT

perlbrew project <http://perlbrew.pl/> uses github <http://github.com/gugod/App-perlbrew/issues> and RT <https://rt.cpan.org/Dist/Display.html?Queue=App-perlbrew> for issue tracking. Issues sent to these two systems will eventually be reviewed and handled.

See <https://github.com/gugod/App-perlbrew/contributors> for a list of project contributors.

CONTENTS

AUTHOR

Kang-min Liu <gugod@gugod.org>

COPYRIGHT

Copyright (c) 2010-2016 Kang-min Liu <gugod@gugod.org>.

LICENCE

The MIT License

    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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perl v5.20.3 APP::PERLBREW (3) 2016-03-16

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