LIBRARY.coffee

fs = require 'fs'
sys = require 'sys'

(-> # force global scope

	input =
		if process.argv[2]
			try
				fs.readFileSync process.argv[2], 'utf-8'
			catch e
				''
		else
			''

	@print = (x...) ->
		sys.print y + '\n' for y in x

	@scanNumber = ->
		if m = input.match(/[\-0-9\.]+/)
			input = input.substr(m.index + m[0].length)
			parseFloat(m[0])
		else
			false
	
	@scanWord = ->
		if m = input.match(/\S+/)
			input = input.substr(m.index + m[0].length)
			m[0]
		else
			false
	
	@scanText = ->
		if m = input.match(/\S(.*\S|)/)
			input = input.substr(m.index + m[0].length)
			m[0]
		else
			false

	@scanArray = ->
		result = input.split '\n'
		input = ''
		result

	@generatePrimeDB = (upto) ->
		max = Math.ceil(Math.sqrt(upto))
		out = {}
		for i in [2..max]
			if not out[i]?
				j = i * 2
				while j <= upto
					out[j] = 1
					j += i
		ret = []
		for i in [2..upto]
			if not out[i]
				ret.push i
		out.list = ret
		out
	
	@call = (func) ->
		func()

).call null