The latest chapter explains how to serialize data - typically to save it to and from disk - using YAML. Using a few easy-to-master techniques, YAML allows you to save simple or complex data structures (containing simple or complex object types) in human-readable form. It isn’t the only way of serializing data in Ruby (I’ll describe an alternative way in Chapter 15) but YAML is a commonly-used data format with its own Ruby libraries to sort out the tricky stuff for you.
As always, The Book Of Ruby is free and you can get a copy from The Book Of Ruby Download page.
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