I doubt that a wperl process has STDIN and STDOUT connected. I think that IPC::Open2 tries to do fancy things with (an existing) STDIN and STDOUT.

Personally, I would try to avoid IPC::Open2 and/or pipe functionality, at least until after having set up STDIN and STDOUT for the child process.

In reply to Re^5: Wperl.exe fails with Tk + piped process ( Win32 ) by Corion
in thread Wperl.exe fails with Tk + piped process ( Win32 ) by chessgui

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