vfoley@ubuntu:~/prog/bench$ sh bench.sh
Ruby +=
2:20.91 real, 15.57 user, 123.98 sys
Ruby <<
0:00.21 real, 0.20 user, 0.02 sys
Python +=
0:00.35 real, 0.21 user, 0.15 sys
Python .append()
0:00.14 real, 0.12 user, 0.02 sys
Python StringIO
0:00.38 real, 0.36 user, 0.03 sys