hi, i´m trying to open the cmd.exe in matlab and to execute the dos command from matlab without writing it again in cmd.exe. how can i do this?

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Erica Gilca
Erica Gilca on 23 Jul 2018
Commented: Walter Roberson on 14 Aug 2020
hi, i´m trying to open the cmd.exe in matlab and to execute the dos command from matlab without writing it again in cmd.exe. for exemple: system('cmd.exe'); dos_command = 'cd D:Erica\FASTPlanning\ '; dos(dos_command); matlab is openning cmd.exe and is waitig for a command in cmd.exe but i want matlab to execute the dos command automatically in cmd.exe

Answers (2)

Walter Roberson
Walter Roberson on 23 Jul 2018
Edited: Walter Roberson on 14 Aug 2020
If you need to start an independent process that stays alive while MATLAB continues then use .NET or Java

Muhammad Zayed
Muhammad Zayed on 14 Aug 2020
Edited: Muhammad Zayed on 14 Aug 2020
you can use:
!cmd &
it works for me to open the command window from Matlab
Moreover, if you want to excute something in the cmd, you can do it as follows (in my case I want to run an excutable called "Opensees" then type the file name)
!Opensees fileName.tcl &
All the above commands will open and run the excutable in an external commond prompt window. If you wish to run it inside Matalb command window, just remove the "&" symbol at the end.
I hope this helps.
P.S. I am using MATLAB R2018a - academic version
  1 Comment
Walter Roberson
Walter Roberson on 14 Aug 2020
My reading of the question was that the user wanted to be able to start a command shell and have it remain open waiting for commands to be sent to it from MATLAB. The way to do that from Windows is to use .NET assemblies as I linked to before.

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