11-01-2011
Right, there's nothing to prevent the file from being deleted, so if you can avoid it you should. Most cases aren't as simple and writing out a state file is acceptable, but I see where your prof is coming from and agree.
Ok, so you know that the contents of MESSAGE will be expanded into the script as it is written to stdin when at is executed. You also know that your list of users is known when you invoke at, and that you could cause that list to be expanded into your script. So, is there another looping construct that you might be able to use in place of the while that would allow you to loop through the list of names?
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