in reply to Command line confusing me

You have some chance of getting it right that way, but it would be better to install properly in some place like ~you/lib/perl5. The formula is,

PREFIX=~/lib/perl5 perl Makefile.PL make make test make install
Read the README files.

Set PERL5LIB in your environment to your installation directory and everything should work.

After Compline,
Zaxo