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Manage perl installations in your $HOME
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NAME App::perlbrew - Manage perl installations in your $HOME SYNOPSIS # Initialize perlbrew init # Install some Perls perlbrew install perl-5.12.1 perlbrew install perl-5.8.1 perlbrew install perl-5.11.5 # See what were installed perlbrew installed # Switch perl in the $PATH perlbrew switch perl-5.12.1 perl -v # Switch to another version perlbrew switch perl-5.8.1 perl -v # Switch to a certain perl executable not managed by perlbrew. perlbrew switch /usr/bin/perl # Or turn it off completely. Useful when you messed up too deep. perlbrew off # Use 'switch' command to turn it back on. perlbrew switch perl-5.12.1 DESCRIPTION perlbrew is a program to automate the building and installation of perl in the users HOME. At the moment, it installs everything to "~/perl5/perlbrew", and requires you to tweak your PATH by including a bashrc/cshrc file it provides. You then can benefit from not having to run 'sudo' commands to install cpan modules because those are installed inside your HOME too. It's almost like an isolated perl environments. INSTALLATION The recommended way to install perlbrew is to run these statements in your shell: curl -LO http://xrl.us/perlbrew chmod +x perlbrew ./perlbrew install After that, "perlbrew" installs itself to "~/perl5/perlbrew/bin", and you should follow the instruction on screen to setup your ".bashrc" or ".cshrc" to put it in your PATH. The directory "~/perl5/perlbrew" will contain all install perl executables, libraries, documentations, lib, site_libs. If you need to install "perlbrew", and the perls it brews, into somewhere else because, say, your HOME has limited quota, you can do that by setting a "PERLBREW_ROOT" environment variable before you run "./perlbrew install". export PERLBREW_ROOT=/mnt/perlbrew ./perlbrew install The downloaded perlbrew is a self-contained standalone program that embed all non-core modules it uses. It should be runnable with perl 5.8 or high versions of perls. You may also install perlbrew from CPAN with cpan / cpanp / cpanm: cpan App::perlbrew This installs 'perlbrew' into your current PATH and it is always executed with your current perl. NOTICE. When you install or upgrade perlbrew with cpan / cpanp / cpanm, make sure you are not using one of the perls brewed with perlbrew. If so, the `perlbrew` executable you just installed will not be available after you swith to other perls. You might not be able to invoke further "perlbrew" commands after so because the executable "perlbrew" is not in your "PATH" anymore. Installing it again with cpan can temporarily solved this problem. It should be relatively safe to install "App::perlbrew" with system cpan (like "/usr/bin/cpan") because then it will be installed under a system PATH like "/usr/bin", which is not effected by "perlbrew switch" command. Again, it is recommended to let "perlbrew" install itself. It's easier, and it works better. USAGE Please read the program usage by running perlbrew (No arguments.) To read a more detail one: perlbrew -h Alternatively, this should also do: perldoc perlbrew If you messed up to much or get confused by having to many perls installed, you can do: perlbrew switch /usr/bin/perl It will make sure that your current perl in the PATH is pointing to "/usr/bin/perl". As a matter of fact the "switch" command checks whether the given argument is an executale or not, and create a symlink named 'perl' to it if it is. If you really want to you are able to do: perlbrew switch /usr/bin/perl6 But maybe not. After running this you might not be able to run perlbrew anymore. So be careful not making mistakes there. AUTHOR Kang-min Liu "<firstname.lastname@example.org>" COPYRIGHT Copyright (c) 2010, Kang-min Liu "<email@example.com>". The standalone executable contains the following modules embedded. HTTP::Lite Copyright (c) 2000-2002 Roy Hopper, 2009 Adam Kennedy. Licensed under the same term as Perl itself. LICENCE The MIT License CONTRIBUTORS Patches and code improvements were contributed by: Tatsuhiko Miyagawa, Chris Prather, Yanick Champoux, aero, Jason May, Jesse Leuhrs, Andrew Rodland, Justin Davis, Masayoshi Sekimura 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.