"...$a and $b are reserved for sort..."

Sure, they are.

"Everything You Always Wanted to Know About $a and $b (*But Were Afraid to Ask)" (freely adapted from Woody Allen)

But the OP doesn't sort. And what about localizing them in a block if he really wants/needs this variable names for some unknown/weird reasons?

Regards, Karl

«The Crux of the Biscuit is the Apostrophe»

In reply to Re^2: Idiom for setting variables to empty string if capture is undefined? by karlgoethebier
in thread Idiom for setting variables to empty string if capture is undefined? by nysus

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