#!/usr/bin/ruby

# Don't pause on first character
e = nil
ARGF.each_char{|c|
   print c

   # Pause before next character if current character is not part of
   # an escape sequence, and it's not the start of the next escape sequence.
   e = e ? (u = c.upcase) < "A" || u > "Z"
         : c == "\e" ? 1 : begin !sleep 0.1; end
}