07-03-2019
Those 0000 and 0010 are hexadecimals, and the difference is 16. That's why I added NF which is the count of the 16 line elements. The scriptwould work with 14, 15, or 17 element lines as well.
Call it counter or pointer, it's an indicator of the position in file. A (typed) pointer in C is pointing to the memory location of a structure (type). Yes, there are similarities.
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