RosettaCodeData/Task/Word-wheel/Ruby/word-wheel.rb

13 lines
351 B
Ruby

wheel = "ndeokgelw"
middle, wheel_size = wheel[4], wheel.size
res = File.open("unixdict.txt").each_line.select do |word|
w = word.chomp
next unless w.size.between?(3, wheel_size)
next unless w.match?(middle)
wheel.each_char{|c| w.sub!(c, "") } #sub! substitutes only the first occurrence (gsub would substitute all)
w.empty?
end
puts res