method

compare_file

Ruby latest stable (v2_5_5) - 0 notes - Class: FileUtils

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compare_file(a, b) public

Returns true if the contents of a file a and a file b are identical.

FileUtils.compare_file('somefile', 'somefile')       #=> true
FileUtils.compare_file('/dev/null', '/dev/urandom')  #=> false

Show source

# File lib/fileutils.rb, line 727
  def compare_file(a, b)
    return false unless File.size(a) == File.size(b)
    File.open(a, 'rb') {|fa|
      File.open(b, 'rb') {|fb|
        return compare_stream(fa, fb)
      }
    }
  end

compare_file

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