Table of Contents: The Advanced Bash-Scripting Guide
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Anybody deeply interested in shell scripting will at some point come
across awk. In the spirit of do one thing and do it well, awk
can be defined as a line-oriented processor with state. In
contrast, sed is a line-oriented with rules that provide only a
stateless form.
Rendering of Markdown format combines line-oriented approach with the
need for a state. As a form of an introduction to awk, a
rendering of Markdown is provided as a somewhat useful example.
Chapter: Awk Micro-Primer