7 lines
267 B
Text
7 lines
267 B
Text
words = File.stream!("unixdict.txt")
|
|
|> Enum.map(&String.strip/1)
|
|
|> Enum.group_by(&min(&1, String.reverse &1))
|
|
|> Map.values
|
|
|> Enum.filter(&(length &1) == 2)
|
|
IO.puts "Semordnilap pair: #{length(words)}"
|
|
IO.inspect Enum.take(words,5)
|