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Re^5: Pascal-Sierpinski for golfers

by hbm (Hermit)
on Dec 02, 2011 at 17:15 UTC ( #941389=note: print w/ replies, xml ) Need Help??


in reply to Re^4: Pascal-Sierpinski for golfers
in thread Pascal-Sierpinski for golfers

Doh, I flubbed that ($/ vs. $\). I so often print$/,/expr/?this:that, I confused myself.

And darn you - I had already read your lengthy linked topics, and perhaps all of their references, but I find them irresistable! This time through, I most enjoyed this gem:

s///ge>>9?print:do$0

The :do$0 is one *sick* loop. And the return value from s/// idea gave me the following "for 1 to 15" method:

perl -le'$_=1;{print,s/(\d+) ?/+$1 $1/g,s/\S+/$&/eeg>16||redo}'

A couple more tricks for me!


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Re^6: Pascal-Sierpinski for golfers
by eyepopslikeamosquito (Canon) on Dec 03, 2011 at 12:45 UTC

    Yes, I too find the "do$0" loop hilarious. A great write-up of its use in the 2002 Kolakoski game by good ol' Rick Klement can be found here and also in Mtv's book of golf (page 105). I believe Ton Hospel was the first person to use the eccentric "do$0" loop in a golf competition. And thanks for the "redo" tip; I'd forgotten about redo after all these years. :)

    Update: Just noticed another Rick Klement gem where he concludes with: Lesson to be learned: try something before you say "that can't work" ... which looks like an independent invention of Eugene van der Pijll's famous golfing aphorism: Can't possibly work, let's try it anyway. :)

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