OS X, irssi, sasl

osx-irssi-sasl

$ brew install irssi gmp
$ cpan install Crypt::OpenSSL::Bignum Crypt::Blowfish Crypt::DH::GMP
$ echo '[[ $SHLVL -eq 1 ]] && eval "$(perl -I$HOME/perl5/lib/perl5 -Mlocal::lib)"' >> ~/.bashrc
$ mkdir -p ~/.irssi/scripts/autorun
$ (cd ~/.irssi/scripts/; wget https://freenode.net/sasl/cap_sasl.pl; ln -s ../cap_sasl.pl autorun/)
$ irssi
  /sasl set <network> <nick> <password> DH-BLOWFISH
  /sasl save