in reply to
how to avoid mis-spelling hash keys?
Pre perl 5.8 you can use Tie::Hash::FixedKeys by davorg. It has exactly the functionality you ask for with the drawback of using the tie mechanism which implies a decrease in performance.
Non-existent; I don't have TV
Non-existent; my TV doesn't have/need a remote
Under my control; I watch alone
Under the control of whoever shouts loudest
Under the control of whoever gets it first
One of many, and the TV has a mind of its own
Results (593 votes),