Thanks Bill. That solves my problem completely. I totally missed the significance of what you were trying to tell me.
On Mon, Jan 9, 2012 at 3:46 AM, bill lam <bbill....@gmail.com> wrote: > It is a feature of *nix shells that an ending "&" in the command line will > make the process forked. eg, > > 2!:1 '/Applications/TextEdit.app/Contents/MacOS/TextEdit &' > > Пнд, 09 Янв 2012, Ian Clark писал(а): >> I try: >> >> 2!:1 '/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome' >> >> Chome starts up... the J session freezes. It only unfreezes when I quit >> Chrome. >> >> This happens with all apps I can launch from the UNIX command line. Eg: >> >> 2!:1 '/Applications/TextEdit.app/Contents/MacOS/TextEdit' >> >> >> >> On Mon, Jan 9, 2012 at 2:43 AM, bill lam <bbill....@gmail.com> wrote: >> > Try, eg, >> > >> > 2!:1 'firefox &' >> > >> > Пнд, 09 Янв 2012, Ian Clark писал(а): >> >> AFAICS the purpose of 2!:1 (spawn) is to launch an asynchronous >> >> process, eg a separate, parallel J session, and resume immediately it >> >> is launched. Am I right? >> >> >> >> On my Mac it doesn't do that. (I can't establish what it does under >> >> Windows because I don't have a Windows machine just now). >> >> >> >> Sure, it starts the specified process, but then the original J session >> >> freezes solid until the spawned process terminates. This behavior is >> >> no different from 2!:0 except to discard any returned value. >> >> >> >> Absence of this facility is preventing me from doing a lot of the >> >> things I want to. In particular I can't play a sound without my app >> >> hanging until the sound has finished playing. Nor can I write a server >> >> in J and have it fire off a client. I have to launch the client >> >> manually. >> >> >> >> Has nobody reported this behavior before? Any chance of getting it >> >> fixed? Anyone know a workaround (such as a dll/dylib call)? >> >> >> >> JVERSION >> >> Installer: j602a_mac_intel.dmg >> >> Engine: j602/2008-03-03/16:45 >> >> Library: 6.02.057 >> >> >> >> JVERSION >> >> Engine: j701/2011-01-10/11:25 build: Feb 6 2011 16:16:29 >> >> Library: 7.01.052 >> >> Platform: Darwin 64 >> >> Installer: j701a_mac64.dmg >> >> >> >> InstallPath: /Applications/j64-701 >> >> ---------------------------------------------------------------------- >> >> 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 >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> ---------------------------------------------------------------------- >> 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 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
