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Re: Calling windows programs


Erich Neuwirth wrote:
> In Windows, I create a MIDI file from within Mathematica
> and then I want to play it and delete it with
> Run["mplay32 /play /close " <> file , "del " <> file]
> This does not work.
> The MIDI file  does not even play.
> When I omit the del command, things work.
> Is there a way to force Mathematica to wait before executing the second 
> command until the first one has finished?
> I can solve my problem with a batch file, but I would prefer
> a Mathematica only solution.
> 
> 
It's not a matter of Mathematica. If I remember correctly, at least 
since MS-DOS 6.xyz one has to put an ampersand between two or more 
commands in one line:

Run["mplay32 /play /close " <> file , "& del " <> file]

should do the job.

Peter

-- 
Peter Pein
Berlin


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