53 lines
971 B
Ruby
Executable File
53 lines
971 B
Ruby
Executable File
#!/usr/bin/env ruby
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# stdlib
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require 'stringio'
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require 'zlib'
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def inflate(data)
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Zlib::Inflate.inflate(data)
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end
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def deflate(data)
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Zlib::Deflate.deflate(data)
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end
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# there is not a difference for us, in these two
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def inflate2(data)
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zlib = Zlib::Inflate.new(15)
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buff = zlib.inflate(data)
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zlib.finish
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zlib.close
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buff
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end
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def load_dictionary(data)
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data.split("\x00")
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end
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if $0 == __FILE__
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abort("usage: %s <bin_file> ..." % __FILE__) unless (ARGV.length > 0)
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ARGV.each do |arg|
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file = File.open(arg)
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z_data_io = StringIO.new(file.read())
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data = inflate(z_data_io.read())
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e_pos = deflate(data).bytesize()
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z_data_io.seek(e_pos)
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puts "data is:"
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puts load_dictionary(data).map {|x| "\t#{x}" }
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puts "dictionary stats:"
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puts "\tcompressed size: %d" % deflate(data).bytesize()
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puts "\tuncompressed size: %d" % data.bytesize()
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buf = z_data_io.read()
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puts "Read %d bytes\n" % buf.bytesize()
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end
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end
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