ass2txt.js

// ass2txt convert script

if (process.argv.length < 3) {
  console.log('Usage: node ' + process.argv[1] + ' FILENAME');
  process.exit(1);
}
var fs = require('fs')
  , filename = process.argv[2];
fs.readFile(filename, 'utf8', function(err, data) {
  if (err) throw err;
  
  var lines = data.split("\n");
  
  lines.forEach(function(line) {
    if (line.startsWith('Dialogue:')) {
      var text = line.split(",");
      if (text[9].indexOf('{\\') !== -1 && text.length >= 10) {
	for (var i = 10; i < text.length; i++) {
	  text[9] += text[i];
	}
      }
      console.log(text[9]);
    }
  });
});

if (typeof String.prototype.startsWith != 'function') {
  String.prototype.startsWith = function (str){
    return this.slice(0, str.length) == str;
  };
}