I've discovered the following useful trick for long-running tasks on the command line:

do_some_task && make_a_noise

For instance, on OSX:

do_some_task && say 'done'

However, && means "run the next command if the previous one returned 0 for success". If the first command fails, the second doesn't execute.

Is there a similar operator that means "do this regardless of the previous command's return status"?


Yes, the ;:

do_some_task ; say 'done'
  • 2
    or if you want more baroque style: do_some_task && say 'done' || say 'done' :) – lynxlynxlynx Jul 11 '12 at 17:29

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