Revisions to Code Golf: Duplicate Character Removal in String

Changed to incorporate things from the other Ruby answer. 1 char smaller.

edited Aug 28, 2009 at 8:50

Ruby

6463 chars.

puts (t=gets.split(//);puts t).map{|i|t.count(i)==1>1?i:nil:i}.compact.join

64 chars.

t=gets.split(//);puts t.map{|i|t.count(i)==1?i:nil}.compact.join

63 chars.

puts (t=gets.split(//)).map{|i|t.count(i)>1?nil:i}.compact.join

added 1 characters in body

edited Aug 28, 2009 at 7:30

Ruby 64 64 chars.

t=gets.split(//);puts t.map{|i|t.count(i)==1?i:nil}.compact.join

Ruby 64 chars.

t=gets.split(//);puts t.map{|i|t.count(i)==1?i:nil}.compact.join

64 chars.

t=gets.split(//);puts t.map{|i|t.count(i)==1?i:nil}.compact.join

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answered Aug 28, 2009 at 3:50

Ruby 64 chars.

t=gets.split(//);puts t.map{|i|t.count(i)==1?i:nil}.compact.join