Console output in a Qt GUI app?

Question

I have a Qt GUI application running on Windows that allows command-line options to be passed and under some circumstances I want to output a message to the console and then

Answer 1

One solution is to run powershell and redirect the output to whatever stream you want.

Below is an example of running powershell from cmd.exe and redirecting my_exec.exe output to both the console and an output.txt file:

powershell ".\my_exec.exe | tee output.txt"