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instance method
FileUtils#compare_file
compare_file(a, b)
lib/fileutils.rb
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# 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