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https://github.com/gugod/App-perlbrew

Manage perl installations in your $HOME
https://github.com/gugod/App-perlbrew

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Manage perl installations in your $HOME

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README 

        
NAME



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



SYNOPSIS



        # Installation

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

    

        # Initialize

        perlbrew init

    

        # See what is available

        perlbrew available

    

        # Install some Perls

        perlbrew install 5.32.1

        perlbrew install perl-5.28.3

        perlbrew install perl-5.33.6

    

        # See what were installed

        perlbrew list

    

        # Swith to an installation and set it as default

        perlbrew switch perl-5.32.1

    

        # Temporarily use another version only in current shell.

        perlbrew use perl-5.28.3

        perl -v

    

        # Turn it off and go back to the system perl.

        perlbrew off

    

        # Turn it back on with 'switch', or 'use'

        perlbrew switch perl-5.32.1

        perlbrew use perl-5.32.1

    

        # 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 , or by running perlbrew help, or by

    visiting perlbrew's official website . 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 https://install.perlbrew.pl | bash



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



        fetch -o- https://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 required version of system perl 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 https://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.)



    If you need to install perlbrew using a Perl that isn't either

    /usr/bin/perl or /usr/local/bin/perl, set and export the environment

    variable PERLBREW_SYSTEM_PERL and then install as described above. Note

    that you must not use a perlbrew-managed perl.



    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.



PROJECT DEVELOPMENT



    perlbrew project  uses github

    https://github.com/gugod/App-perlbrew/issues for issue tracking. Issues

    sent to these two systems will eventually be reviewed and handled. To

    participate, you need a github account.



    Please briefly read the short instructions about how to get your work

    released to CPAN:



    https://github.com/gugod/App-perlbrew/blob/develop/CONTRIBUTING.md



AUTHOR



    Kang-min Liu 



COPYRIGHT



    Copyright (c) 2023 Kang-min Liu .



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.