Module: FileTest

Defined in:
lib/proutils/mint/fileutils.rb

Constant Summary collapse

BUF_SIZE = 
1024*1024

Class Method Summary collapse

Class Method Details

.diff(file1, file2) ⇒ Object

Show diff of two files.



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# File 'lib/proutils/mint/fileutils.rb', line 43

def diff(file1, file2)
  `diff #{file1} #{file2}`.strip
end

.identical?(file1, file2) ⇒ Boolean

Are two files identical? This compares size and then checksum.

Returns:

  • (Boolean) 


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# File 'lib/proutils/mint/fileutils.rb', line 10

def identical?(file1, file2)
  size(file1) == size(file2) && md5(file1) == md5(file2)
end

.md5(path) ⇒ Object

Return an md5 checkum. If a directory is given, will return a nested array of md5 checksums for all entries.



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# File 'lib/proutils/mint/fileutils.rb', line 17

def md5(path)
  if File.directory?(path)
    md5_list = []
    crt_dir = Dir.new(path)
    crt_dir.each do |file_name|
      next if file_name == '.' || file_name == '..'
      md5_list << md5("#{crt_dir.path}#{file_name}")
    end
    md5_list
  else
    hasher = Digest::MD5.new
    open(path, "r") do |io|
      counter = 0
      while (!io.eof)
        readBuf = io.readpartial(BUF_SIZE)
        counter+=1
        #putc '.' if ((counter+=1) % 3 == 0)
        hasher.update(readBuf)
      end
    end
    return hasher.hexdigest
  end
end