9 lines
322 B
Ruby
9 lines
322 B
Ruby
dict = File.readlines("unixdict.txt").collect(&:strip)
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i = 0
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res = dict.collect(&:reverse).sort.select do |z|
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i += 1 while z > dict[i] and i < dict.length-1
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z == dict[i] and z < z.reverse
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end
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puts "There are #{res.length} semordnilaps, of which the following are 5:"
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res.take(5).each {|z| puts "#{z} #{z.reverse}"}
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