Add srgn

[alexpovel]

New App Submission

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Repo or homepage link:

https://github.com/alexpovel/srgn/

Description:

srgn is a grep-like tool which understands source code syntax and allows for manipulation in addition to search.

Why I think it's awesome:

srgn leverages regex, which people are familiar with, and bundles it with the superpower of language grammar aware search. The latter is generally useful, but I've found existing tools (some listed here) sometimes aren't easily approachable, for example requiring specialized query syntax just to get started. For example, srgn is based on tree-sitter (also awesome!), which offers a CLI of its own, but using it requires learning about their S-expression syntax. In comparison, srgn is simple and easy to pick up. If you know regex and consult srgn --help or use shell completion, it is quite discoverable, with human-readable descriptions and error messages. The CLI is designed to guide users into correct usage (which Rust makes easy here). Its base usage can be brutally simple (like srgn --titlecase to titlecase input), and becomes more complex only when needed. Lastly, srgn also allows for manipulation of its search results, allowing for e.g. sweeping refactors.