Jay,

On Jul 17, 2006, at 8:33 PM, Jay Levitt wrote:

> Christopher Williams wrote:
>
>> Are you running files which you've previously launched before  
>> swapping
>> interpreters? The launch configuration is tied to a specific file  
>> and is
>> re-used pretty much always. So fi you launch a file with cygwin, then
>> swap your interpreter and rerun it'll still use cygwin. The  
>> workaround
>> is to delet the launch configuration, or open it up and specifically
>> choose the interpreter you want it to use (and save it).
>
> Ah!  Yes.. I was running (or trying to run) unit tests with both  
> cygwin
> and mswin32 to see if they failed on one or the other.  Guess I  
> can't do
> that from Eclipse.
>

Actually you can. Read below....

> Dumb question - where's that launch config?

if you click the down arrow next to the green run button (looks like  
a play button), it'll drop down. Select "Run..." and you should see  
all the launch configurations that have been created. You can select  
the Environment tab and choose Interpreter to select which one to run  
with.

If you want a duplicate that only differs in the  Interpreter  
version, select the launch config and then click the duplicate button  
(looks like two papers stacked on my system). Then edit one to change  
the interpreter. You'll need to choose the appropriate launch  
configuration from that drop down menu under the arrow from then on  
(you can't just right click in the editor and say run as ruby  
application, because it won't know which of the two to run).

Thanks,
Chris

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