Or, you can follow your command with ; echo $? Like this:
2!:0 'cc; echo $?' Note that this won't work on windows, but should work on systems that have cc Thanks, -- Raul On Fri, Mar 21, 2014 at 7:24 AM, bill lam <[email protected]> wrote: > 2!:0 will return error if return code is non-zero. You can test > your command in a shell and see what the error code will be. > > Пт, 21 мар 2014, kamakura писал(а): > > Hello there! > > > > I have a question about usage of 2!:0 (invoking a unix command). > > Sometimes I come across an error as follows: > > > > 2!:0'pwd' > > /Applications/j64-801/bin > > 2!:0'cc' > > |interface error > > | 2!:0'cc' > > > > > > It seems that 2!:0 does not work properly. > > > > Toshinari Kamakura > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
