You may want to redirect output of DOS commands. See, if this thread Re: DOS HELP with VFP Thread #499218 Message #499234 can help

>Is there a way to launch a DOS command and read any resulting error conditions?
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>I'm using the lpr command to send a pre-existing file to a printer. I'd like to verify the command properly functioned before marking the file as sent. If the command is executed from the DOS command window on a file that has a lock on it, or is not present, or whatever; then an error message is printed. I'd like to react to that error message.
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>I've tried using the app_apirun class, but it responds with success no matter if the file exists or not.
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>Thanks