From: Eric Hodel <drbrain@...7.net>
Date: 2005-12-12T16:05:18+09:00
Subject: Re: new to Ruby - pls help in translating this

On Dec 11, 2005, at 7:27 AM, William James wrote:

> William James wrote:
>> William James wrote:
>>> Eric Hodel wrote:
>>>
>>>> seen = {}
>>>>
>>>> ARGF.each do |elem|
>>>>    print elem if seen.include? elem
>>>>    seen[elem] = true
>>>> end
>>>
>>> seen = {}
>>> while s = gets
>>>   print s if seen.key? s
>>>   seen[ s ] = nil
>>> end
>>>
>>> Or:
>>>
>>> seen = Hash.new(0)
>>> while s = gets
>>>   print s if ( seen[s] += 1 ) > 1
>>> end

This is starting to get pointlessly obfuscated.

>> seen, s = Hash.new(0)
>> print s if ( seen[s] += 1 ) > 1 while s = gets

Stop.  You're making things hard to read for the new people.

> seen = Hash.new(0)
> print   if ( seen[$_] += 1 ) > 1   while gets

I can't read that so I don't know how you expect someone new to Ruby  
to read it.

I've never seen 'ruby golf' do anything positive.  I find it  
especially inappropriate to be performing these vile manipulations  
while trying to show new people idiomatic Ruby like they asked for:

> Can somebody tell me how this is to be done in Ruby?  Or maybe the  
> Ruby
> way on how to attack this whole thing.  Thanks.

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
This implementation is HODEL-HASH-9600 compliant

http://trackmap.robotcoop.com