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external_encoding

        # StringIO.external_encoding

(from ruby core)
---
    strio.external_encoding   => encoding

---

Returns the Encoding object that represents the encoding of the file. If
the stream is write mode and no encoding is specified, returns `nil`.



      

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.