From: Joel VanderWerf <vjoel@...>
Date: 2007-12-22T04:55:40+09:00
Subject: Re: starting multiple processes

Robert Klemme wrote:
> 2007/12/20, Joel VanderWerf <vjoel@path.berkeley.edu>:
>> Junkone wrote:
>>> hello
>>> i have to do the following
>>> 1.     exec("E:\\TradingTools\\IBController\
>>> \IBControllerStart_customised.bat")
>>>  2.     application = WIN32OLE.new("Broker.Application")
>>>
>>> I want to start 1 and then continue doing 2. however when i run it
>>> realtime, the statement 2 waits for statement 1 to be completed which
>>> takes long time. how do i initiate 1 and then withotu waiting goto
>>> statement 2.
>> Wrap #1 in a thread:
>>
>> Thread.new do
>>    exec(...)
>> end
> 
> Wouldn't help.  This is #exec and not #system - the process does not
> wait, it is completely replaced and "application =
> WIN32OLE.new("Broker.Application")" is never executed.

Oops, you're quite right, I was thinking of #system.

Maybe #system would be right for the OP:

   Thread.new do
     system("...")
   end

   application = ..

This is AFAIK platform independent, since it doesn't (explicitly, 
anyway) use #fork or "start".

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407