storing variable value

Daniel Dalton d.dalton at
Sat Apr 11 13:36:43 CEST 2009


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?



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