ps ax |ruby -ne 'puts $_.split.first if $_ =~ /top/'
echo "eats, shoots, and leaves" | ruby -pe '$_.gsub!("e", "a")'^
echo "foo\nbar\nbaz" | ruby -ne 'BEGIN { i = 1 }; puts "#{i} #{$_}"; i+= 1'
sudo docker exec -it $(sudo docker ps | ruby -ne 'puts $_.split.first if $_ =~ /resque/') bash