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In a shell script, I found the following line of code:
rm -f "${Tmp0}"
It is one of the first lines in the script, and I’m not familiar with the Tmp0 variable. Is it a shell standard mapping to something specific? I did some Google searches and I can’t seem to find good explanation.
I suspect this is a leftover from a previous version of the script (no need to see the whole thing, it’s irrelevant), since I can’t see any reference to this variable anywhere else in it.
It doesn’t have predefined meaning, but that doesn’t mean it’s useless. If someone exports this variable before calling this script it will delete the defined file. Also if this script
sources another file, this variable might be defined there.Anyway, if none of the two conditions hold true, then it indeed might be a leftover.