On 15/03/10 16:02, Michael Lesniak wrote: > Hello Simon, > > with 6.12.1.20100313 the behaviour is worse: even when using $! in the > appropiate lines (see [2] in my original message) the programs hangs > quite often. Hence, 6.12.1 works better in this (special?) case. Ok, I'll look into it, thanks for the report. Cheers, Simon