$ cpanm Amazon::S3 --> Working on Amazon::S3 Fetching http://www.cpan.org/authors/id/T/TI/TIMA/Amazon-S3-0.45.tar.gz ... OK Configuring Amazon-S3-0.45 ... OK ==> Found dependencies: XML::Simple --> Working on XML::Simple Fetching http://www.cpan.org/authors/id/G/GR/GRANTM/XML-Simple-2.20.tar.gz ... OK Configuring XML-Simple-2.20 ... OK ==> Found dependencies: XML::SAX::Expat --> Working on XML::SA