Module: Checkm

Defined in:
lib/checkm.rb,
lib/checkm/entry.rb,
lib/checkm/version.rb,
lib/checkm/manifest.rb

Defined Under Namespace

Classes: Entry, Manifest

Constant Summary collapse

CHUNK_SIZE =

Size (in bytes) to read (in chunks) to compute checksums

8*1024*1024
VERSION = 
self.version

Class Method Summary collapse

Class Method Details

.checksum(file, alg) ⇒ Object

Compute the checksum ‘alg’ for a file

Parameters:

  • md5, sha1, sha256, dir



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# File 'lib/checkm.rb', line 14

def self.checksum file, alg
    digest_alg = case alg
      when nil
        return true
      when /md5/
         Digest::MD5.new 
      when /sha1/
        Digest::SHA1.new
      when /sha256/
        Digest::SHA2.new(256)
      when /dir/
        return File.directory? file
      else 
        return false      
    end

    while not file.eof? and chunk = file.readpartial(CHUNK_SIZE)
      digest_alg << chunk
    end
    digest_alg.hexdigest
end

.version ⇒ Object 



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# File 'lib/checkm/version.rb', line 3

def self.version
  @version ||= File.read(File.join(File.dirname(__FILE__), '..', '..', 'VERSION')).chomp
end