bash-4.2$ which cpanm
/usr/bin/cpanm

bash-4.2$ which perl
/home/nitishb/perl5/perlbrew/perls/perl-5.16.3/bin/perl

bash-4.2$ cpanm Moo
Moo is up to date. (1.004002)
bash-4.2$ duckpan DDGC::Static
Can't locate Moo.pm in @INC (@INC contains: /home/nitishb/perl5/lib/perl5 /home/nitishb/perl5/perlbrew/perls/perl-5.16.3/lib/site_perl/5.16.3/x86_64-linux /home/nitishb/perl5/perlbrew/perls/perl-5.16.3/lib/site_perl/5.16.3 /home/nitishb/perl5/perlbrew/perls/perl-5.16.3/lib/5.16.3/x86_64-linux /home/nitishb/perl5/perlbrew/perls/perl-5.16.3/lib/5.16.3 .) at /home/nitishb/perl5/lib/perl5/App/DuckPAN.pm line 11.
BEGIN failed--compilation aborted at /home/nitishb/perl5/lib/perl5/App/DuckPAN.pm line 11.
Compilation failed in require at /usr/local/bin/duckpan line 16.
BEGIN failed--compilation aborted at /usr/local/bin/duckpan line 16.

bash-4.2$ which duckpan
/home/nitishb/perl5/bin/duckpan