Encodings in Perl

perl -MEncode -le "print for Encode->encodings(':all')"

Caller in Perl

my $caller = (caller(1))[3];
damp $caller;

Ag on Ubuntu

Ag (a.k.a. the_silver_searcher) on Ubuntu 12.04 LTS:

wget 'http://swiftsignal.com/packages/ubuntu/precise/the-silver-searcher_0.14-1_amd64.deb'

sudo dpkg -i the-silver-searcher_0.14-1_amd64.deb

Pod viewer on Mac

tkpod