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Keep track of the times a script is being run

The fact: you need to know how many times a given script has been run lately. This task is quite trivial if you keep the number in a given temporary file.

Read it here

Quote:

What I am going to show you instead, is how to store the number just directly in the same script.
Oh well, not that this is too hard to do but it’s a nice trick that may give you an idea of how self-extracting script do work (e.g. nvidia official drivers and common linux games are shipped with this type of container).

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