From: Eric Mahurin <eric_mahurin@...>
Date: 2005-10-06T05:31:50+09:00
Subject: Re: One-liner removing duplicate lines

Here is a pretty close translation that does what you want:

ruby -ne 's||={};s[$_]||print;s[$_]=true'

--- Damien Wyart <damien.wyart@free.fr> wrote:

> Hello,
> 
> Converting from Perl to Ruby, I am trying to find an
> equivalent to this
> Perl one-liner removing duplicate lines in a file (without
> sorting it at
> first) :
> 
>    perl -ne'$s{$_}++||print' infile >outfile
> 
> I guess uniq method could be used, but I can't find how.
> 
> 
> Many thanks in advance,
> 
> -- 
> Damien Wyart
> 
> 



		
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