Mercurial > ec-dotfiles

annotate bin/ed2k @ 301:36bc27bb32ff

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated version and copyright.
author Edho Arief <edho@myconan.net>
date Thu, 09 Feb 2012 09:01:56 +0700
parents 94ee419ad047
children bcdf320dabf4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
1 #!/usr/bin/env ruby
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
2 require 'openssl'
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
3
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
4 def file_ed2k(file_name, output_mode = "hash")
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
5 ed2k_block = 9500*1024 #ed2k block size is 9500 KiB
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
6 ed2k_hash = ""
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
7 file = File.open(file_name, 'rb')
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
8 file_size = file.stat.size #while at it, fetch the size of the file
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
9 while (block = file.read(ed2k_block)) do
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
10 ed2k_hash << OpenSSL::Digest::MD4.digest(block) #hashes are concatenated md4 per block size for ed2k hash
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
11 end
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
12 ed2k_hash << OpenSSL::Digest::MD4.digest("") if file_size % ed2k_block == 0 #on size of modulo block size, append another md4 hash of a blank string
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
13 file.close
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
14 ed2k_hash = OpenSSL::Digest::MD4.hexdigest(ed2k_hash) #finally
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
15 return case output_mode #there are 2 modes, just the has, or complete with link.
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
16 when "hash"
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
17 ed2k_hash
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
18 when "link"
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
19 "ed2k://|file|#{File.basename(file_name)}|#{file_size}|#{ed2k_hash}|"
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
20 end
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
21 end
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
22
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
23 ARGV.each do |file_name|
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
24 next unless File.file?(file_name) and File.readable?(file_name)
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
25 printf("%s\n", file_ed2k(file_name,"link"))
94ee419ad047 Added bin-ec - a collection of scripts.
Edho Prima Arief <me@myconan.net>
parents:
diff changeset
26 end