Another password checking option, employing the well known and tested cracklib library, is the Crypt::Cracklib module. The synopsis for this module outlines usage of this module in a very clear and succinct manner.

Further information on the cracklib can be found at the library homepage at http://www.crypticide.org/users/alecm/.

 

perl -le 'print+unpack"N",pack"B32","00000000000000000000001001100111"'