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sevmaster, I will try and understand your example and than make it work for me too. I appreciate your answer. Thank you

Hello I have a curious problem with exec. I use this command to find out the status of a process. But even if the same command gives the right output when executed from command-line, using it with exec gives this: child process exited abnormally here is the line: catch {exec ps aux | grep...

Hi, I accidentally stumbled across this page: http://www.beedub.com/book/3rd/Tkexampl.pdf there is a good example at the beginning of that pdf documment which clears the output logging problem. Thanks anyway! This is a good forum.

Hello, I'm trying to start an application with a tcl proc and catch the output of that application into a file. For now I could only manage to start it like this: set output [catch { exec myprogram } ] set output_file [open "$env(HOME)/.output.log" "w"] puts $output_file $output close...