Some stabs in the dark:

What is $ENV{CYGWIN} set to? If it contains "tty", try changing to "notty" (while no cygwin programs are running).
Does primer3_core write to stderr? What is primer3 and where can we find it?

In reply to Re: Windows/Cygwin and open2 by ysth
in thread Windows/Cygwin and open2 by lynx

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