Alphabetizes the words in a file and then prints them line by line. There will be a line for each first character in each word.

alphabetizelines.rb

#! ruby

# This script will take the words in a file or passed argument and alphabetize them. Then they will be put out with a line for each starting letter.
# This will help me with grabbing all the keywords and organzing them alphabetically by line so that in the future adding keywords to the Edict language spec will be easier since they are in an alphabetical list.

if ARGV.size == 1 
	lines = []
	input = ""
	output = ""

	if File.exists?(ARGV.first)
		input = File.open(ARGV.first, "r").read
	else
		input = ARGV.first
	end

	# Moves through each line adding each word to an array of words
	werds = input.scan(/\w+/).sort.uniq
	startingLetter = werds[0][0]

	werds.each do |werd|
		if startingLetter != werd[0]
			lines << output
			startingLetter = werd[0]
			output = ""
		end	

		output += werd + " "
	end

	puts lines

else
	puts "This script will take the words in a file or passed argument and alphabetize them. Then they will be put out with a line for each starting letter."
end