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Calling windows programs

• To: mathgroup at smc.vnet.net
• Subject: [mg53568] Calling windows programs
• From: Erich Neuwirth <erich.neuwirth at univie.ac.at>
• Date: Tue, 18 Jan 2005 05:08:17 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

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.