gistfile1.rb

#!/usr/bin/ruby

servers = [:tweety_jobs_01, :tweety_jobs_02,:tweety_jobs_03,:db_master,:db_slave,:batch_01,:batch_02]

servers = servers.map(&:to_s).grep( Regexp.new "^" + ARGV[0] ) if ARGV.size == 2

p "Executing #{ARGV[-1].dump} on #{servers.map(&:to_s).join(',')}"

servers.each do |server|
        p ("=" * 10) + server.to_s + ("=" * 10)
        command = 'ssh -p3222 root@' + server.to_s + ' "' + ARGV[-1].to_s.dump + '"'
        p command
        system command
end