method

compare_file

v1_9_3_125 - Show latest stable - 0 notes - Class: FileUtils

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What's this?

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('/bin/cp', '/bin/mv')    #=> maybe false

Show source

# File lib/fileutils.rb, line 806
  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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