After this chapter, topics related to text data storage and processing should not be a mystery for you any more. In particular, you have learned:
- How to handle different text encoding, dependent on the region you live in, and how to create a multi-language, internationalized application with
msgcatpackage. - How to work with SQL databases based on the example of MySQL and PostgreSQL. We learned how to access these databases, then we focused on SQLite, as it is a particularly interesting solution, thanks to its ease of use and the powerful features it offers.
- At the end, the last important topic was covered—how to work with XML data in terms of Tcl language. We presented how to parse and access information of your choice from an XML document, thanks to the
tDOMpackage. Next, we also mentioned how to create such a document from the scratch, and additionally, how to usetdomto access HTML data.
All the chapters up to this moment constitute solid base for the main objective of the book—network programming in Tcl. The next and all remaining chapters are directly related to this topic, gradually introducing you to more advanced networking concepts.
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