You can now do quite a bit with Batch, such as setting, resetting, and interrogating variables of various data types, calling routines and other bat files, and performing arithmetic; however, most of what you’ve learned will have no lasting effect (except for file movements and the ability to set variables persistently). At the end of a bat file’s ephemeral execution, all of the bits and bytes that’ve been manipulated may vanish into the ether, and it’ll be as if the bat file had never existed.
I’ll leave the metaphysics of Batch for another time, but whenever code of any type is executed, the intent is ...
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