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

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