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README.md

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fileglob

A file globbing library.

What

fileglob is a glob library that uses gobwas/glob underneath and returns only matching files or direcories, depending on the configuration. Due to this great foundation, fileglob supports:

Asterisk wildcards (*)
Super-asterisk wildcards (**)
Single symbol wildcards (?)
Character list matchers with negation and ranges ([abc], [!abc], [a-c])
Alternative matchers ({a,b})
Nested globbing ({a,[bc]})
Escapable wildcards (\{a\}/\* and fileglob.QuoteMeta(pattern))

By also building on top of fs.FS, a range of alternative filesystems as well as custom filesystems are supported.

Why

gobwas/glob is very well implemented: it has a lexer, compiler, and all that, which seems like a better approach than most libraries do: regex.

It doesn't have a Walk method though, and we needed it in a couple of places. So we decided to implement it ourselves, a little bit based on how mattn/go-zglob works.