beast schreef:

> a 100
> a 102
> c 100
> a 102
> b 111
> c 100
> c 102
> c 100
> c 100
> a 102
> ...
> 
> I would like to have a list (either array or hash) with unique line .

  perl -ne'$_{$_}||=print' datafile 

or

  perl -pe'$_ x=!$$_++' datafile

-- 
Affijn, Ruud

"Gewoon is een tijger."

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