mimetypes

mimetypes.lua Version 1.0.0
This is just a quick Lua library designed to provide a nice, non-server-bound database of MIME types. Usage is simple:
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local mimetypes = require 'mimetypes'
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mimetypes.guess "docs.txt"              -- text/plain
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mimetypes.guess "word.doc"              -- application/msword
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mimetypes.guess "init.lua"              -- text/x-lua
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Should you need your own MIME types, you can do this:
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local mimedb = mimetypes.copy()
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mimedb.extensions["ext"] = "application/x-cool-type"
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mimetypes.guess("myfile.ext", mimedb)   -- application/x-cool-type
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If you want to make sure it works, run lua test.lua (or use Shake).
API
mimetypes.copy([db]) - Copies the default MIME types database and returns the copy. If you provide db, it is copied instead of the default.
mimetypes.guess(filename[, db]) - Guesses the MIME type of the file named filename. If a MIME type could not be ascertained, nil is returned. If you provide db, it is used to look up the MIME type instead of the default database.
Databases
Each database is a table that contains two fields - extensions and filenames. filenames is checked first, as it maps literal filenames (like README) to MIME types.
If that doesn't work, the file's extension is taken and looked up in extensions. (For example, report.pdf would look up pdf and return the MIME type there, which is application/pdf.)
The default database is immutable (and hidden), because it's shared between everyone who calls guess without arguments, and messing with it would be a bad thing.
Bugs
If you encounter any missing, inaccurate, or questionably assigned MIME types, file a bug (preferably including a diff) on the issue tracker at http://www.bitbucket.org/leafstorm/lua-mimetypes/, or e-mail me at [email protected].

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Contents

API

Databases

Bugs