Check if an object is considered tainted by using the tainted? method: : tainted « Class « Ruby

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Ruby » Class » tainted   Check if an object is considered tainted by using the tainted? method: x = "Hello, world!" puts x.tainted? y = [x, x, x] puts y.tainted? z = 20 + 50 puts z.tainted? a = File.open("somefile").readlines.first puts a.tainted? b = ENV["PATH"] puts b.tainted? c = [a, b] puts c.tainted?   Related examples in the same category 1.  Force an object to be seen as untainted by calling the untaint method on the object. 2.  Tell if a certain operation is safe:

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