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README.md

musicjson2abc

Build Status npm version

A command-line tool to convert musicJSON to abc notation An example of the used format of json is in example.json.

This project is still under development. Feel free to use it and submit issues here.

Getting started

Install the module with:

npm install --save musicjson2abc

Example

var musicjson2abc = require('musicjson2abc');

var abc = musicjson2abc.json2abc({"id":"123456","attributes":{"divisions":4,"clef":{"sign":"G","line":2},"key":{"fifths":-1},"time":{"beats":3,"beat-type":4}},"measures":[{"attributes":{"repeat":{"left":false,"right":false}},"notes":[{"type":"quarter","duration": 4,"rest": false,"pitch": {"step":"C","octave":4,"alter":0,"accidental": "flat"},"$$hashKey":"object:1255"}]}]});

console.log(abc);
// output:
//   X:123456
//   T:123456
//   M:3/4
//   L:1/16
//   K:F
//    _C4|


var json = musicjson2abc.abc2json(abc);
console.log(json);
// output:
// {"id":"123456","attributes":{"divisions":4,"clef":{"sign":"G","line":2},"key":{"fifths":-1},"time":{"beats":3,"beat-type":4}},"measures":[{"attributes":{"repeat":{"left":false,"right":false}},"notes":[{"type":"quarter","duration": 4,"rest": false,"pitch": {"step":"C","octave":4,"alter":0,"accidental": "flat"}}]}]}

Command line tool

The command musicjson2abc accepts filepaths for input and output files.
Install with npm install -g musicjson2abc.

$ musicjson2abc --help

  Usage: musicjson2abc [options] <file>\n If no <file> is given, default to stdin

  Options:

    -h, --help     output usage information
    -j, --json     convert from json to abc
    -a, --abc      convert from abc to json
    -x, --xml      convert from xml to json

  Examples:

    $ musicjson2abc -j input.json > output.abc
    $ musicjson2abc -a input.abc > output.abc
    $ musicjson2abc -x input.xml > musicjson2abc -j > output.abc

  Hint:

    The input file should be a valid json / abc file.
    No syntax checks performed.
    The output file will become a valid abc / json file.
    May overwrite existing files.

Documentation

For full API documentation have a look at API.md.

License

Licensed under the MIT License. See LICENSE for further information.

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A command-line tool to convert musicJSON to abc notation

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