Though, I can write to the application and it does print @xList multiply by 3 on the screen.
Could it be that the application writes to STDERR? Just an idea, I don't have windows. Perhaps it's worth to try IPC::Open3.

--shmem 

_($_=" "x(1<<5)."?\n".q·/)Oo.  G°\        /
                              /\_¯/(q    /
----------------------------  \__(m.====·.(_("always off the crowd"))."·
");sub _{s./.($e="'Itrs `mnsgdq Gdbj O`qkdq")=~y/"-y/#-z/;$e.e && print}

In reply to Re: Bidirectional Communication with Another Process by shmem
in thread Bidirectional Communication with Another Process by duc

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