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Emacs' powerful OCCUR function in practice
About this film
In this screen cast I demonstrate the power of Emacs’ occur function using a real-world scenario. On the face of it, occur is similar to grep : it outputs a list of results matching a search pattern. However, these results can be interfaced with and can even be edited directly, with all changes echoed to the actual file. As such, occur can be used as a “scoping” or “narrowing” tool to limit the buffer to certain terms. Then the full editing capabilities of Emacs can be put to use: replacing using regular expressions, keyboard macros, external packages such as multiple-cursors , etc. I can already state with confidence that Emacs is a powerhouse of productivity once you familiarise yourself with its tools and utilities.
Directors & creators
Protesilaos Stavrou
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