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require 'rexml/document'
require 'rexml/formatters/pretty'
# xspfjoiner.rb
# (C) itochan 2017
# License: MIT
# Usage: ruby xspfjoiner.rb [xspf_file ...]
# Output: Merged xspf file
URL_LENGTH = 2048
out_xspf = REXML::Document.new
out_xspf << REXML::XMLDecl.new('1.0', 'UTF-8')
out_xspf.add_element('playlist', 'version' => '1', 'xmlns' => 'http://xspf.org/ns/0/')
out_xspf.root.add_element('trackList')
ARGV.each do |file|
xspf = REXML::Document.new(File.open(file))
track = xspf.elements['/playlist/trackList/track']
out_xspf.elements['/playlist/trackList'].add_element(track)
end
pretty_formatter = REXML::Formatters::Pretty.new(0)
pretty_formatter.compact = true
pretty_formatter.width = URL_LENGTH
pretty_formatter.write(out_xspf, STDOUT)
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