How to Edit property lists in Terminal

Property lists are essentially XML files with a .plist extension. Here’s how to edit them using the command line in the macOS Terminal app.

XML is an open data format which gained popularity in the mid-1990’s when the internet first became commercialized. It’s a text-based format which uses key/value pairs to store data. Keys provide data labels, and values store the data related to each key.

Data types in XML include Booleans (true/false), numbers, dates, strings (text), arrays, dictionaries, and plain data. A dictionary is just a bundled table of values also with its own set of keys – one for each data item.

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