time-script-run.lua demo

Example of triggering the test run from the script.

~/src/rushit $ cat -n examples/time-script-run.lua
     1  local t_start = os.time()
     2
     3  run()
     4
     5  local t_diff = os.time() - t_start
     6  io.stderr:write('Script ran for ' .. t_diff .. ' seconds.\n')
~/src/rushit $ ./tcp_stream > /dev/null &
[2] 12063
~/src/rushit $ ./tcp_stream --client --test-length 7 --script examples/time-script-run.lua > /dev/null
Script ran for 7 seconds.
[2]+  Done                    ./tcp_stream > /dev/null
~/src/rushit $