sys.rb

# Better Kernel::system in Ruby

def sys(cmd)
  *resp, status = `#{cmd}; echo -n "\n$?"`.lines
  [resp.join.chomp, status.to_i]
end

sys("echo foo")		#=> ["foo\n", 0]
sys("echo -n foo")	#=> ["foo", 0]
sys("false")		#=> ["", 1]