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# sha
Check and get file hashes (using any algorithm)
[![Build Status](https://travis-ci.org/ForbesLindesay/sha.png?branch=master)](https://travis-ci.org/ForbesLindesay/sha)
[![Dependency Status](https://gemnasium.com/ForbesLindesay/sha.png)](https://gemnasium.com/ForbesLindesay/sha)
## Installation
$ npm install sha
## API
### check(fileName, expected, [options,] cb)
Asynchronously check that `fileName` has a "hash" of `expected`. The callback will be called with either `null` or an error (indicating that they did not match).
Options:
- algorithm: defaults to `sha1` and can be any of the algorithms supported by `crypto.createHash`
### get(fileName, [options,] cb)
Asynchronously get the "hash" of `fileName`. The callback will be called with an optional `error` object and the (lower cased) hex digest of the hash.
Options:
- algorithm: defaults to `sha1` and can be any of the algorithms supported by `crypto.createHash`
## License
BSD
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