coffeescript quine

quine.coffee

escape = (str) ->
  return '' if str is ''
  first = str[0]
  rest = str[1..-1]
  first = if first is "'" or first is "\\"
            "\\#{first}"
          else
            first
  return first + escape(rest)
str = [
  'escape = (str) ->',
  '  return \'\' if str is \'\'',
  '  first = str[0]',
  '  rest = str[1..-1]',
  '  first = if first is "\'" or first is "\\\\"',
  '            "\\\\#{first}"',
  '          else',
  '            first',
  '  return first + escape(rest)',
  'str = [',
  ']',
  'for l in [0..9]',
  '  console.log str[l]',
  'for l in str',
  '  console.log "  \'#{escape(l)}\',"',
  'for l in [10..16]',
  '  console.log str[l]',
]
for l in [0..9]
  console.log str[l]
for l in str
  console.log "  '#{escape(l)}',"
for l in [10..16]
  console.log str[l]

(snark) gnidan: ~/tmp $ coffee quine.coffee | diff quine.coffee - | wc -l
       0

woot!