Re: Parallelism a la make -j <n> / GNU parallel

[Mike Frysinger]

On Friday 04 May 2012 12:44:32 Greg Wooledge wrote:
> On Fri, May 04, 2012 at 12:41:03PM -0400, Mike Frysinger wrote:
> > i wish there was a way to use `wait` that didn't block until all the pids
> > returned.  maybe a dedicated option, or a shopt to enable this, or a new
> > command.
> 
> wait takes arguments.

yes, and it'll wait for all the ones i specified before returning

> > for example, if i launched 10 jobs in the background, i usually want to
> > wait for the first one to exit so i can queue up another one, not wait
> > for all of them.
> 
> Do you mean "for *any* one of them", or literally "for the first one"?

any.  maybe `wait -1` will translate into waitpid(-1, ...).
-mike

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