Why and what are you printing to SOXOUT? IOW why are you printing anything to SOXOUT and extrapolating from that why are you using open2 at all?

Removing the print SOXOUT $buf; line seems to fix the issue as far as I'm able to reproduce it.

As far as I can see it looks like you're misunderstanding the sox interface.

..

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re: I need some help with open2 by Joost
in thread I need some help with open2 by Anonymous Monk

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