Re^3: Faster and more efficient way to read a file vertically

$i is variable in your example. Reading vertically doesn't make sense then.

I'd suggest $count{$letter}++ with a hash %count to speed things up.

Cheers Rolf
_{(addicted to the Perl Programming Language and ☆☆☆☆ :)

Je suis Charlie!}

Comment on Re^3: Faster and more efficient way to read a file vertically Select or Download Code