Sha256: 9ad2fe165176a2b11f3773c79b2226aa1499b10f449f34b78e3915489549cae4
Contents?: true
Size: 1.12 KB
Versions: 9
Compression:
Stored size: 1.12 KB
Contents
# see http://www.personal.uni-jena.de/~pfk/mpp/sv8/apetag.html for specs
class ApeTagError < StandardError ; end
class ApeTag
attr_reader :tag, :version
def initialize(filename)
@tag = {}
begin
@file = File.new(filename, "rb")
@file.seek(-32, IO::SEEK_END)
preamble, version, tagsize, itemcount, flags =
@file.read(24).unpack("A8VVVV")
@version = version/1000
raise(ApeTagError, "cannot find preamble") if preamble != 'APETAGEX'
@file.seek(-tagsize, IO::SEEK_END)
itemcount.times do |i|
len, flags = @file.read(8).unpack("VV")
key = ""
loop do
c = @file.getc
break if c == 0
key << c
end
#ugly FIX
@tag[key.downcase] = @file.read(len) unless len > 100_000
end
ensure
@file.close
end
end
end
if $0 == __FILE__
while filename = ARGV.shift
puts "Getting info from #{filename}"
begin
ape = ApeTag.new(filename)
rescue ApeTagError
puts "error: doesn't appear to be an ape tagged file"
else
puts ape
ape.tag.each do |key, value|
puts "#{key} => #{value}"
end
end
puts
end
end
Version data entries
9 entries across 9 versions & 3 rubygems