The problem:
Write a function -- with as few characters as possible -- that, given a positive integer, prints it in a seven segment display style, similar to that found on calculators.
Input:
w(1234567890);
Output:
_ _ _ _ _ _ _ _
| _| _||_||_ |_ ||_||_|| |
||_ _| | _||_| ||_| _||_|
My best effort so far:
sub w{for$;(0..2){say map{substr' _ _|_ | |_|',('030030000054116224
+666421416461'=~/./g)[$_+$;*10]*2,3}split//,$_[0]}}
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