From: Romeu Henrique Capparelli Fonseca <rfonseca@...>
Date: 2006-08-10T22:00:08+09:00
Subject: RES: Start an external application - How?

Hi, 

From my C time, it seems like the famous fork+exec+wait. I don't know if it's possible in ruby or in all platforms. May you can start a thread and run the system there.

--Romeu

-----Mensagem original-----
De: list-bounce@example.com [mailto:list-bounce@example.com] Em nome de Joe Percival
Enviada em: quinta-feira, 10 de agosto de 2006 08:38
Para: ruby-talk ML
Assunto: Re: Start an external application - How?

David Jones wrote:
> You could try using 'system', eg:
> 
> system("yourwebcamapp.exe")

system seems to want the external process to complete before continuing. 
exec seems to wait for completion of the external process as well.  I 
need to  start an external process and then go on to the next command 
without waiting for the external process to complete.  It would also be 
nice if I could capture a handle for the external process so that I 
could check status or kill it later.
BTW, I only tested operation in IRB.  I'll try both commands in a script 
later.
joe

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