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Think about Loose Coupling

Re^2: Flip-flop won't DWIM

by Roy Johnson (Monsignor)
on May 21, 2009 at 20:30 UTC ( #765543=note: print w/replies, xml ) Need Help??

in reply to Re: Flip-flop won't DWIM
in thread Flip-flop won't DWIM

So use the match-once operator (no need for an actual pattern; the empty pattern works fine):
print join ' ', grep scalar(??../D/), ('A'..'F');

Caution: Contents may have been coded under pressure.

Replies are listed 'Best First'.
Re^3: Flip-flop won't DWIM
by wu-lee (Beadle) on May 22, 2009 at 10:54 UTC
    Aha! Finally, a use for the match-once operator! And it seems to be tailor made for this problem. Bravo!

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