This is a working example of running perl on IronWorker.
For the full explanation, check the blog post Running Perl Workers on Iron.IO
Login to https://hud.iron.io/dashboard, download iron.json credential file (the 'key' icon)
gem install iron_worker_ng
# rbenv rehash (if you're using rbenv)
cpanm Carton
git clone https://github.com/carloslima/iron-play
cd iron-play
carton install
iron_worker upload iron-pl.worker
iron_worker queue iron-pl -p '{"tags":["iron.io","perl"]}'
iron_worker log <id from previous command output>
Have a beer. \o/