$ perlbrew install 5.20.0
$ perlbrew use 5.20.0
$ cpan install DB::SQLite App::DBBrowser
$ cpan --version
/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/bin/cpan version 1.61 calling Getopt::Std::getopts (version 1.10 [paranoid]),
running under Perl version 5.20.0.
####
...
Built under linux
Compiled at Jun 1 2014 19:27:38
%ENV:
PERLBREW_BASHRC_VERSION="0.66"
PERLBREW_HOME="/home/linuxer/.perlbrew"
PERLBREW_MANPATH="/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/man"
PERLBREW_PATH="/home/linuxer/perl5/perlbrew/bin:/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/bin"
PERLBREW_PERL="perl-5.20.0"
PERLBREW_ROOT="/home/linuxer/perl5/perlbrew"
PERLBREW_VERSION="0.66"
@INC:
/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/lib/site_perl/5.20.0/x86_64-linux
/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/lib/site_perl/5.20.0
/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/lib/5.20.0/x86_64-linux
/home/linuxer/perl5/perlbrew/perls/perl-5.20.0/lib/5.20.0
.
##
##
...
Built under linux
Compiled at Jun 6 2014 00:09:21
%ENV:
PERLBREW_BASHRC_VERSION="0.66"
PERLBREW_HOME="/home/linuxer/.perlbrew"
PERLBREW_MANPATH="/home/linuxer/perl5/perlbrew/perls/perl-5.21.0/man"
PERLBREW_PATH="/home/linuxer/perl5/perlbrew/bin:/home/linuxer/perl5/perlbrew/perls/perl-5.21.0/bin"
PERLBREW_PERL="perl-5.21.0"
PERLBREW_ROOT="/home/linuxer/perl5/perlbrew"
PERLBREW_VERSION="0.66"
@INC:
/home/linuxer/perl5lib
/home/linuxer/perl5/perlbrew/perls/perl-5.21.0/lib/site_perl/5.21.0/x86_64-linux
/home/linuxer/perl5/perlbrew/perls/perl-5.21.0/lib/site_perl/5.21.0
/home/linuxer/perl5/perlbrew/perls/perl-5.21.0/lib/5.21.0/x86_64-linux
/home/linuxer/perl5/perlbrew/perls/perl-5.21.0/lib/5.21.0
.