Parsing essentia yaml export - find . -name "*.yaml" -exec node conv.js {} \;

parsing_essentia_yaml_export.js

yaml = require('js-yaml');
fs   = require('fs');

try {
  var doc = yaml.safeLoad(fs.readFileSync(process.argv[2], 'utf8'));


   var nLine = process.argv[2] + ',' 
   + doc.metadata.audio_properties.length + ',' 
   + doc.rhythm.bpm + ',' 
   + doc.tonal.chords_changes_rate + ','
   + doc.tonal.tuning_frequency + ','
   + doc.tonal.chords_key + ','
   + doc.tonal.chords_scale 
   + "\n";


   console.log("parsing " + process.argv[2] + "done...");

   fs.appendFile('1.csv', nLine, function (err) {
   	console.log(err);
});
   console.log("writing " + process.argv[2] + "done, goodbye!");




} catch (e) {
  console.log(e);
}


/** 
 * CSV file contains
 * CSV file contains Nom,Duree,Bpm,Chords_changes_rate,Tuning_frequency,Chords_key,Chords_scale
 *
**/