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private tomcat hosting The technique of having files manage their own lifecycle is so useful that the class File supplied with Ruby supports it directly. If File.open has an associated block, then that block will be invoked with a file object, and the file will be closed when the block terminates. This is interesting, as it means that File.open has two different behaviors: when called with a block, it executes the block and closes the file.
private tomcat hosting When called without a block, it returns the file object. This is made possible by the method Kernel::block_given? , which returns true if a block is associated with the current method. Using it, you could implement File.open (again, ignoring error handling) using something like the following. class File def File.
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