perl -I/home/user/stuff/lib/perl5 -S perlcritic
perl -Mlib=/home/user/stuff/lib/perl5 -S perlcritic

export PERLLIB=/home/user/stuff/lib/perl5
perlcritic

export PERL_MM_USE_DEFAULT=1
export PERL_MB_OPT=--install_base /home/user/stuff
export PERL_MM_OPT=INSTALL_BASE=/home/user/stuff
cpan -fi Module Module Module Module Module Module