Using --limit and --halt-on-error Together

[Larry Ploetz]

Possible new feature - have --halt-on-error end ‘now’ or ‘soon’ based on the return code of the command used in --limit.

Just an example; it certainly doesn't have to be implemented this way:

> parallel --limit '[[ $(date +%s) -ge 1585465200 ]]' --halt-on-error soon,limit=1 …
>

would run until midnight tonight, finish any jobs running, then quit without running any more jobs. Another example closer to what I want to accomplish right now:

> parallel --limit '[[ $(stat -c %a -f /filesystem) -gt 100000 ]]' --halt-on-error soon,limit=1 …
>

Would run something that consumes disk space, and stop running new jobs when the free disk space got below 100,000 blocks.

I'm not sure what implication of --halt-on-ereror soon,limit=3% would be though.

Thanks for the wonderful parallel universe!
– Larry

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