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class method

FileUtils.compare_file

compare_file(a, b)

# File tmp/rubies/ruby-3.1.3/lib/fileutils.rb, line 809
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

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

Example

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

See also #compare_file .commands .compare_stream .collect_method also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.0

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