Re: ...Limitation?

[mwoehlke]

Paul Jarc wrote:
> mwoehlke <mwoehlke@tibco.com> wrote:
> > I am trying to figure out how to run a command and pipe the output 
> > through tee, and then check the status of the original command.
>
> This uses a bash-specific feature:
> cmd > >(tee file); status=$?

Thanks Paul and Stephen for the replies. I am using bash, so the above 
solution is fine, and is working.

> This should work on any sh:
> exec 3>&1 && status=`exec 4>&1 && { cmd; echo $? >&4; } | tee file >&3`
>
> Or, if you don't want to clobber any descriptors, in case they might
> be in use for something else:
> : > file &&
> { tail -f file & } &&
> pid=$! &&
> { cmd > file; status=$?; } &&
> sleep 1 && # give tail a chance to print the last bits that were just written
> kill "$pid"

--
Matthew
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