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comparison bin/cek.rb @ 522:a0f4a3e15322

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Extend cek.rb to match main script.
author edogawaconan <me@myconan.net>
date Sun, 29 Jun 2014 01:30:18 +0900
parents 324c5842af87
children
comparison
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521:fb2d37acca81 522:a0f4a3e15322
1 #!/usr/bin/env ruby 1 #!/usr/bin/env ruby
2 require 'zlib' 2 require 'zlib'
3 3
4 block = 1048576 4 class Cek
5 ARGV.each do |filename| 5 CRC32_BLOCK = 2 ** 20
6 crc = 0 6
7 file = File.open(filename, 'rb') 7 attr_accessor :files
8 currentbyte = 0 8
9 while (line = file.read(block)) do 9 def crc32(filepath)
10 crc = Zlib.crc32(line,crc) 10 file = File.open filepath, 'rb'
11 crc32 = 0
12 while (line = file.read(CRC32_BLOCK)) do
13 crc32 = Zlib.crc32(line, crc32)
14 end
15 file.close
16
17 format "%08X", crc32.to_i
11 end 18 end
12 file.close 19
13 printf("%s %08X\n", filename, crc.to_i) 20 def print_result
21 results = Hash.new(0)
22 files.each do |f|
23 time_start = Time.now
24 if File.readable?(f) && File.file?(f) then
25 hash = crc32 f
26 size = File.size f
27 /(\[|\()(?<filename_hash>\p{XDigit}{8})(\]|\))/ =~ f
28 result =
29 if filename_hash
30 if filename_hash == hash
31 :ok
32 else
33 :fail
34 end
35 else
36 :missing_hash
37 end
38 output = hash
39 case result
40 when :ok then output << " - OK!"
41 when :fail then output << " - ERROR - should be #{filename_hash}"
42 end
43 else
44 result = :unreadable
45 output = "not a file or unreadable"
46 end
47 process_time = Time.now - time_start
48 size ||= 0
49 size_mb = size.to_f / 1_000_000
50 speed = (size_mb.to_f / process_time)
51 results[result] += 1
52 puts "#{f}: #{output} (#{format "%.2f", size_mb} MB / #{format "%.2f", process_time} s / #{format "%.2f", speed} MB/s)"
53 end
54 puts ("-" * 50)
55 puts "Files ok: #{results[:ok]}"
56 puts "Files broken: #{results[:fail]}"
57 puts "Files without crc information: #{results[:missing_hash]}"
58 puts "Files unreadable or not a file: #{results[:unreadable]}"
59 end
60
61 def initialize(*files)
62 self.files = files.flatten
63 @stats = {}
64 end
65
66 def self.run(*files)
67 new(files).print_result
68 end
14 end 69 end
70
71 Cek.run(ARGV) if __FILE__ == $0