Hi! I'm writing a program to provide me with battery warnings when my battery hits certain levels. It just checks the current level and does something. I plan to call it from a a cron job. But If the cron runs every minute, warnings every minute would be rather annoying. so is there a way to make the script check if it has already ran before? eg. can I write to a variable on one run of the program, and on the next read that value that was written?
Thx! Daniel.
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