Running multiple cmd.exe simultaneously using QProcess
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Hi all,
I am currently trying to run a few batch files from Qt. Currently I am using QProcess to trigger cmd.exe and provide the batch file path as the argument. Since I have multiple files, is it possible to run more than one cmd.exe at the same to run different batch files in each cmd.exe?
If yes, do I have to create multiple QProcess for each cmd.exe?
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QProcess can launch one process. You need to create multiple instances
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By instances you mean QProcess? Is there a way to dynamically create the QProcess?
For example, each time a button is pressed, a new QProcess is created to run the batch file in new cmd.exe
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Yes.
bq. Is there a way to dynamically create the QProcess?What do you mean here ? Is it not as simple as this ?
QProcess *proc = new QProcess.
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Hi Dheerendra, thanks for the input.
Sorry my question was not clear. What I meant is that, I want to run the process everytime the user press a button.
@QProcess *proc = new Qprocess @
does produce the process dynamically, but how do I delete them once the process is completed. My concern is because I m creating this Qprocess inside the slot that is connected with the button click. So won't I lose the pointer once I the program exit the slot function?
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Are you launching all process simultaneously ? Or are u running them one at a time ? Some how you need keep reference to all qprocess variable, connect with finished signal and delete qprocess pointer variable. Hope this helps.
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Hi Dheerendra, thanks for the input. Yes I got the rough idea now.
Referring to your question, I may run more than one process simultaneously.
