Assuming the other process can write to STDOUT, you can use IPC::Open2 to get a filehandle for the output. If you also need to look at STDERR, there's IPC::Open3.

If the other process has to write to a particular file, see the perlfaq5 entry "How do I do tail -f in Perl?"

In reply to Re: parsing the results of the subroutine in real time by friedo
in thread parsing the results of the subroutine in real time by doar4forum

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