Hi all, I have a label which I would like to update it with the status of a running program. e.g. I'm runnind vnhd (a daemon) in linux. I can use vnh_status to get the status of vnhd. I would like to display the value returned by vnh_status in the label continuously. Can I write a while loop to run set status1 [exec /usr/sbin/vnh_status] and then .top1.lab1 configure -text $status1? But other than this I need to let the program be event driven by getting user input and process info. How do I place the while loop to let it run in the background (or like the vnhd daemon)? Thanks in advance.
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