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How to run DOS program with output

Posted on 2006-06-30
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Last Modified: 2010-04-30
I have a command line application that lists various attributes of Active Directory users. I can run the application from the command line and have the results output to a text file, but when trying via VB there is no output.

Here is the code -

Private Sub Command1_Click()

Shell("c:\ListUser -d -t > C:\Results.txt", vbNormalFocus)
    MsgBox "Done"

End sub

The application runs but just no output. Any help would be greatly appreciated

The d switch represents the disabled users and the t switch formats the output into tab delimited. I want to avoid having to use any batch files and just run the app directly from VB.
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Question by:newsquest
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7 Comments
 
LVL 9

Expert Comment

by:justchat_1
ID: 17021558
Use shellexecute:
http://trixar.com/~makai/shellex.htm

and listuser should have a file extension...
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LVL 35

Accepted Solution

by:
[ fanpages ] earned 50 total points
ID: 17022664
Or...

Call Shell(Environ$("ComSpec") & " /c c:\ListUser -d -t > C:\Results.txt", vbNormalFocus)

BFN,

fp.
0
 
LVL 1

Expert Comment

by:tguez
ID: 17039971
The problem is that the commnd "> txt.out" is a dos command line command.  Then shell is not a command line.  It just run programs.  So I don't know if what the user suggested above wrote works.

But if that does not work, try type your command into *.bat file.  Then use the shell command to run the *.bat file.  This should work just fine.  The only side effect that you will see a command window open and flash and close.  So you might want to specific minimize option when you execute the shell command, so the user will not see a flashing screen.

Tomer
0
 
LVL 9

Expert Comment

by:justchat_1
ID: 17043801
The shell is running a program, the command interpreter, and passing his program as an argument...

The code specified above works perfectly, give it a try...
0
 
LVL 35

Expert Comment

by:[ fanpages ]
ID: 17294947
Hi Dan,

Please consider a split of points between all contributing experts.

Thanks.

BFN,

fp.
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