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How to call system commands

Posted on 2004-09-08
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Last Modified: 2010-04-15
hello/

how do i call system commands such as 'dir', 'cd' etc

thanks / p
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Question by:pipe
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8 Comments
 
LVL 37

Accepted Solution

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gregoryyoung earned 100 total points
ID: 12007919
Use Process.Start() in system.diagnostics ... in order to run such commands you issue cmd /C command ...

Process.Start("cmd.exe", "/C dir"); (or use the startinfo overload) http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemdiagnosticsprocessclassstarttopic2.asp
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Expert Comment

by:sohilm
ID: 12007931
What are you trying to accomplish? Are you trying to modify files, or display files on the screen?
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LVL 8

Expert Comment

by:gregasm
ID: 12009924
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LVL 37

Expert Comment

by:gregoryyoung
ID: 12009958
gregasm isnt

Process.Start("cmd.exe", "/C dir")
and
Shell("cmd.exe","/C dir")

nearly the same thing ? :)
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LVL 37

Expert Comment

by:gregoryyoung
ID: 12009961
in fact shell calls Process.Start :P
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LVL 8

Expert Comment

by:gregasm
ID: 12010014
shell("explorer.exe ""c:\my music\""")

something like that. right on.
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Author Comment

by:pipe
ID: 12010237
ill look into this tonight. i am making my own command prompt and i was just gonna issue the commands (like suggested above) and return the results to my custom command prompt.
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LVL 3

Expert Comment

by:sohilm
ID: 12010404
well I suggest using the system.io.directoryinfo and system.io.fileinfo to get info and do some basic tasks. This way you have more control on what to show on the screen.

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