#!/usr/bin/env ruby

require 'rio'

# riocat: reads from stdin and writes it to stdout
# example use:
#   riocat < afile.txt >bfile.txt
# 
# explanation:
#
# rio(?-)
#   rio(?-): a rio that will be connected to stdin or stdout depending how it is used
#
# rio(?-)
#   rio(?-): a rio that will be connected to stdin or stdout depending how it is used
#
# <
#   <: copy operator indicating rio on left is written to and the rio on the right is read from
#
rio(?-) < ?-

#
# this could also be written
#    rio(?-) < rio(?-)
# or
#    rio(?-) > ?-
# or
#    rio(?-) > rio(?-)
#
#
# this is similar but reads the entire file before writing
#    rio(?-).print!( rio(?-).slurp )



#rio(?-).print!( rio(?-).slurp)


# DONT DO THIS:
#io = rio(?-)
#io.print!( io.slurp )