© Moshe Zadka 2019
Moshe ZadkaDevOps in Pythonhttps://doi.org/10.1007/978-1-4842-4433-3_6

6. Text Manipulation

Moshe Zadka1 
Belmont, CA, USA

Automation of UNIX-based systems often involves text manipulation. Many programs are configured with textual configuration files. Text is the output format, and the input format, of many systems. While tools like sed, grep, and awk have their place, Python is a powerful tool for sophisticated text manipulation.

6.1 Bytes, Strings, and Unicode

When manipulating text or text-like streams, it is easy to write code that fails in funny ways when encountering a foreign name, or emoji. These are no longer mere theoretical concerns: you will have users from the entire world, who insist on their usernames reflecting ...

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