in reply to
Re^3: grep flip flop (range operator)
in thread grep flip flop (range operator)
$ perldoc -f ??
No documentation for perl function '??' found
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (195 votes),