Re: Calling windows programs

*To*: mathgroup at smc.vnet.net*Subject*: [mg53574] Re: Calling windows programs*From*: Peter Pein <petsie at arcor.de>*Date*: Wed, 19 Jan 2005 01:59:22 -0500 (EST)*References*: <csiokk$nnu$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

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