https://github.com/yogthos/alpha-id

creates a short alphanumeric ID from a numeric ID
https://github.com/yogthos/alpha-id

Last synced: 9 months ago
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creates a short alphanumeric ID from a numeric ID

• Host: GitHub
• URL: https://github.com/yogthos/alpha-id
• Owner: yogthos
• License: epl-1.0
• Created: 2015-04-01T19:18:45.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2024-07-19T16:21:23.000Z (over 1 year ago)
• Last Synced: 2025-04-14T08:53:03.131Z (9 months ago)
• Language: Clojure
• Size: 11.7 KB
• Stars: 11
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# alpha-id

A Clojure library for convering numbers into short alphanumeric IDs.

[![Clojars Project](http://clojars.org/alpha-id/latest-version.svg)](http://clojars.org/alpha-id)

## Usage

The number is coverted to an alphanumeric string and back using the `encode` the `decode` functions respectively. The functions accept the dictionary as their first parameter and the value as the second.

Helper functions are provided for the following dictionary sizes:

* `encode-16`/`decode-16`

* `encode-32`/`decode-32`

* `encode-64`/`decode-64`

* `encode-89`/`decode-89`

Using a larger dictionary results in a shorter ID being generated.

```clojure

(use 'alpha-id.core)

(def dict [\0 \1 \2 \3 \4 \5 \6 \7 \8 \9 \A \B \C \D \E \F])

(encode dict 123456) ;=> "1E240"

(decode dict "1E240") ;=> 123456

(encode-64 9007199254740992) ;=>"fFgnDxSe8"

(decode-64 "fFgnDxSe8") ;=> 9007199254740992

```

## License

Copyright © 2015 Dmitri Sotnikov

Distributed under the Eclipse Public License either version 1.0 or (at

your option) any later version.