Something like?: 

my $pid = open my $out, 'theExe infile | tee outfile' or die $!;
while( <$out> ) {
    processOutputLine( $_ );
}

[download]

You can omit the tee if you don't need a copy of the output in a file afterwards. Or you could just print a copy from within the while loop if you do.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re^5: parsing the results of the subroutine in real time by BrowserUk
in thread parsing the results of the subroutine in real time by doar4forum

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