Achim Gratz writes: > I'm having problems with some bash scripts that were developed (not be > me) and working OK in Cygwin 1.6.x versions, but not in 1.7.x (tested on > 1.7.6, 1.7.7 and the latest snapshot). After some gnashing of teeth and > pulling of hair I've whittled it down to a problem with named pipe > handling in bash. Sifting through the archives of the mailing lists > didn't provide much clues. I realize from earlier discussions that > named pipes aren't fully supported, but some examples of programs and > scripts seem to indicate that they should at least work on a basic > level. > > I've tried both the current and the just announced experimental version > of bash and both Windows7/CoreDuo and WinXP/TurionX2 (I don't think the > dual cores have something to do with the problem, but if necessary I > should be able to at least boot the WinXP machine with only a single > core enabled). > > $ mkfifo /tmp/pipe > $ ( sleep 10; echo -n "blafasel "; date; sleep 10; cat < /tmp/pipe )& > $ echo -n "dingdong "; date; exec 6> /tmp/pipe; echo -n "blumblum "; date > $ echo -n "hurrdurr " >&6; date > > Running this on Linux outputs as expected: > > dingdong Sa 22. Jan 20:41:45 CET 2011 > blafasel Sa 22. Jan 20:41:55 CET 2011 > blumblum Sa 22. Jan 20:42:05 CET 2011 > hurrdurr Sa 22. Jan 20:42:05 CET 2011 > > On Cygwin, I get this: > > dingdong Sa 22. Jan 20:41:45 CET 2011 > blumblum Sa 22. Jan 20:41:45 CET 2011 > blafasel Sa 22. Jan 20:41:55 CET 2011 > cat: -: Communication error on send
Blast from the past! I've just tested this again with Cygwin 2.0 and it finally works correctly. Regards, Achim. -- +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+ SD adaptations for KORG EX-800 and Poly-800MkII V0.9: http://Synth.Stromeko.net/Downloads.html#KorgSDada -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple