change the output on the fly with the %s format flag and %: : Convert to String « String « Ruby

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Ruby » String » Convert to String   change the output on the fly with the %s format flag and %: hi = "Hello, %s" puts hi % "Tom!" # => "Hello, Tom!" puts hi % "people!" # => "Hello, people!" puts hi % "universe!" # => "Hello, universe!"   Related examples in the same category 1.  call the to_s method on many built-in classes to return the contents of the object as a string 2.  Convert an object to a string with to_s.

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