Great to hear that you've made progress! I don't have much to go on here as you haven't shown your button code. My button "works" so you will have to figure out what is different between what you are doing and what I did.

Try to boil the problem down to the simplest set of code possible that still illustrates the problem. Sometimes that process itself results in some enlightenment. If it doesn't, post the code here and we'll look at it. Without seeing the code, it would just be guessing on my part.

In reply to Re^3: how to display output of a process in text widget in real time by Marshall
in thread how to display output of a process in text widget in real time by perlnu

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