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open(name, *rest, &block) private

makes possible to open various resources including URIs. If the first argument respond to `open’ method, the method is called with the rest arguments.

If the first argument is a string which begins with xxx://, it is parsed by URI.parse. If the parsed object respond to `open’ method, the method is called with the rest arguments.

Otherwise original open is called.

Since open-uri.rb provides URI::HTTP#open, URI::HTTPS#open and URI::FTP#open, Kernel[#.]open can accepts such URIs and strings which begins with http://, https:// and ftp://. In these case, the opened file object is extended by OpenURI::Meta.

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April 23, 2009
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See Also: IO Class Methods

There are other more specific methods defined in the IO class: IO.open for files, IO.popen for pipes.