You may replace the argument to 2!:0 with a shell script and print the return code or other information to stderr.
or || may already get it done. 13.03.2014, в 8:27, Raul Miller <[email protected]> написал(а): > Yes. > > But how do I get access to that particular return code? > > I guess I'll try running jconsole under gdb and see if that gives me the > information I need. > > Thanks, > > -- > Raul > > > > On Wed, Mar 12, 2014 at 8:12 PM, bill lam <[email protected]> wrote: > >> perhaps it is the result of non-zero return code. >> >> 13.03.2014, в 3:35, Raul Miller <[email protected]> написал(а): >> >>> Running on ec2 linux, I'm seeing >>> >>> |interface error: spawn >>> >>> after only tens of thousands of calls out to the operating system. >>> >>> I can (and have) engineered around this, but it's annoying, and I'd like >> to >>> understand the cause. >>> >>> How can I determine the underlying error, so I can start tracing this >> back? >>> >>> The description of 2!:0 at >>> http://www.jsoftware.com/help/dictionary/dx002.htm currently does not >>> suggest how I could isolate underlying OS issues. >>> >>> Thanks, >>> >>> -- >>> Raul >>> ---------------------------------------------------------------------- >>> For information about J forums see http://www.jsoftware.com/forums.htm >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
