#!/usr/bin/env ruby

#
# Copyright (c) 2012 Ward Wouts <ward@wouts.nl>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

require 'getoptlong'

def usage
	puts <<EOT
Usage: #{$0.sub(/.*\//, "")} [options] <file>

-u <arg>			sth with argument

-d		delete resulting files
-e		escape output filenames with backslashes
-h, --help	show this message
-l		hardlink resulting files (no change if on
		different filesystems)
-m		mp3 compare, ignores ID3 tags (slow)
-s		skip the first entry for doubles

EOT
	exit
end

def cmdline
	options = Hash.new
	begin
		opts = GetoptLong.new(
			[ "-d",				GetoptLong::REQUIRED_ARGUMENT ],
			[ "-e",				GetoptLong::REQUIRED_ARGUMENT ],
			[ "-h", "--help",		GetoptLong::NO_ARGUMENT ],
			[ "-l",				GetoptLong::REQUIRED_ARGUMENT ],
			[ "-m",				GetoptLong::REQUIRED_ARGUMENT ],
			[ "-s",				GetoptLong::REQUIRED_ARGUMENT ]
		)
		opts.quiet=true

		opts.each do |opt, arg|
			options[opt] = arg
		end

	rescue
		print "#{$!}\n"
		usage
	end
	if options["-h"]
		usage
	end
	return options
end

options = cmdline
file = ARGV[0]