Re: Small golfing trick

[Jasper]

On 3/23/06, Philippe 'BooK' Bruhat <[EMAIL PROTECTED]> wrote:

>     perl -ne'$s{$_}++||print' file
>
> with
>
>     perl -ne'$$_++||print' file
>
> Three characters in one shot!

I think MTV used this in the palindrome golf, at least. So it's been
around for a while :)

Jasper