How can I send multiple commands to same command prompt opened by the first command

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Farook Sadarudeen 2017-11-1

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https://ww2.mathworks.cn/matlabcentral/answers/364443-how-can-i-send-multiple-commands-to-same-command-prompt-opened-by-the-first-command

评论： Walter Roberson 2022-3-2

I need to send multiple commands to a command prompt from MATLAB. But each time when I send a command a new command prompt is opened. How can I send my second command to the same prompt which was opened during the first command. Example: First command: !cmd & next command: !D: &

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Answer 1

Roman Müller-Hainbach 2017-11-2

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https://ww2.mathworks.cn/matlabcentral/answers/364443-how-can-i-send-multiple-commands-to-same-command-prompt-opened-by-the-first-command#answer_289008

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Use the system() function and string your commands together, separated by semicolons.

system('cmd1; cmd2; cmd3')

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xiaohuo 2022-3-2

It does not work in this case, any suggestion?

cmd_H01 = 'H1_L01.exe'; % Path of H1_L01.exe

cmd_H02 = 'H1_L02.exe'; % Path of H1_L02.exe

system('cmd_H01; cmd_H02');

system('cmd_H01 & cmd_H02');

Walter Roberson 2022-3-2

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system(strjoin({cmd_H01, cmd_H02}, ';'))

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Answer 2

Robert 2020-2-1

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https://ww2.mathworks.cn/matlabcentral/answers/364443-how-can-i-send-multiple-commands-to-same-command-prompt-opened-by-the-first-command#answer_413283

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If semicolons do not work for you, use ampersands:

system('cmd1 & cmd2 & cmd3')

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Asnawi Husin 2021-2-21

how about so many cmd, for example cmd1 to cmd100, how to create in loop

Walter Roberson 2021-2-21

@Asnawi Husin

You have a small number of choices:

Use your loop to construct a character vector or scalar string object that puts all of the commands together and then system() the result; or
(Mac or Linux) system('sh < SomeNamedPipe&') and then have your MATLAB code write to the named pipe; or
(Windows) use System.Diagnostics.Process to construct a .NET connection to a command shell and then write commands to the command shell; see https://www.mathworks.com/matlabcentral/answers/583955-get-the-status-using-system-command-when-program-has-been-closed#answer_485480

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