Looper is convenient, but has a rare race condition that could cause output to be lost. I recommend coordinate now.
Looper is a program for running n commands m at a time, with a variety of forms of parameterization - including hostnames for ssh or rsync.

It's licensed under these terms (it's not under any version of the GPL)

You can download it here, preferably via svn checkout <url>.

Usage looks like:

  • An example with no verbosity increase, and all successful commands:
  • An example at no verbosity and all commands failing (exiting false):
  • An example with a verbosity increase, and one command timing out:

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    Timestamp: 2024-02-29 09:48:25 PST

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