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Re^2: Golf for unique digits

by BrowserUk (Pope)
on Jan 10, 2013 at 09:58 UTC ( #1012635=note: print w/ replies, xml ) Need Help??

in reply to Re: Golf for unique digits
in thread Golf for unique digits

This saves 2 strokes over yours:

perl -plE"@h{/./g}++;$_=keys%h"

And this saves 2 more over your version of tye's:

perl -lpE'$_=s/(.)(?!.*\1)//g'

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

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Re^3: Golf for unique digits
by eyepopslikeamosquito (Canon) on Jan 10, 2013 at 10:15 UTC

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