Robert Klemme wrote: > On 13.08.2008 22:32, Thomas Luedeke wrote: >>>> -- >>> >>> What's the termination status in $?. That may tell you why your >>> subprocess died. > >> I'm pretty new at this - what is the command to do so? > > Place a "p $?" in the line after your system command. > > On which platform and Ruby version are you? What shell are you using > when executing the command directly? > > One effect of system you might not be aware of is that there will be a > shell invoked if you use a single string. I have no idea whether this > is related to your issue but it's certainly something to keep around in > the back of your mind. > > Cheers > > robert I'm running on HP UX-11, with ruby-1.8.7-p22. The underlying UNIX shell is Korn shell. See my last message for the results of the p $?. -- Posted via http://www.ruby-forum.com/.