or download this
karls-mac-mini:~ karl$ env | grep PERLBREW
PERLBREW_VERSION=0.58
...
PERLBREW_HOME=/Users/karl/.perlbrew
PERLBREW_MANPATH=/Users/karl/perl5/perlbrew/perls/perl-5.18.0/man
PERLBREW_PATH=/Users/karl/perl5/perlbrew/bin:/Users/karl/perl5/perlbre
+w/perls/