anonymize/filter out timestamps from Adium chat logs

anonconvo.rb

#!/usr/bin/env ruby
# to parse Adium conversation

regex = /^[\d:]+ [AP]M (?<name>[^:]+): (?<msg>.*)$/

for line in STDIN
    m = regex.match(line)
    next if not m
    name = m['name']
    msg = m['msg']
    if not name or not msg
        puts line
        next
    end

    if name.downcase == 'kiyoto'
        name = 'me   '
    else
        name = 'amigo'
    end

    puts "#{name}: #{msg}"
end