Chapter 7. The Standard Library

In the process of development, you sometimes hit the point when you feel you’re inventing the wheel once again. Your feeling is somewhat justified because most development tasks involve similar utilities (for example, reading from and saving to files, parsing text, sending data, and so forth).

The Ruby language, in addition to the core elements, is distributed with an additional set of libraries that provide tools for executing common tasks easily. Among them are libraries for CSV, SOAP, unit tests, numbers, date and time, HTTP, POP3, RSS, and more. These libraries can save plenty ...

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