Parallel execution of commands

schell / steeloverseer

A file watcher and development tool.

BSD 3-Clause "New" or "Revised" License

128 stars 14 forks source link

Parallel execution of commands #41

Open marcosh opened 4 years ago

marcosh commented 4 years ago

If I understand correctly, currently it is possible to execute commands just one after the other.

Would it be interesting/possible to configure certain commands to run in parallel?

For example, I could have four commands a, b, c and d and I would like to run a, then b and c in parallel and only after they both complete, run d

schell commented 4 years ago

That's an interesting proposition. I'm not sure what it would look like to issue a command like that - what do you suggest the semantics to be?

Also - I'm pretty tight on time these days so I probably will not be able to get to this in a timely manner, but I'll still be available for PR reviews and hackage administration.

marcosh commented 4 years ago

this might be something I'd be interested to work in, so I could try to set up a PR.

I imagine parallel commands could work in two ways:

their output is intertwined, which could make them hard to read
only the output of the first is shown in real time, and only after it finishes the output of the others is returned

I would probably opt for the second option, but maybe it could be configurable