Due to the keyboard handling the tool cannot be run without an interactive shell.
$ echo | openload -l 10 http://www.example.com
Time Limit: 10 sec.
Total TPS: 0.00
Avg. Response time: 0.000 sec.
Max Response time: 0.000 sec
Total Requests: 0
Total Errors: 0
The key handling seems to abort the program immediately.
Disabling it is a workaround: I uncommented the call to checkStdIn()
A good solution would be to not check for keyboard input when
called non-interactively (e.g. specified by an additional command