text: const fs = require("fs");
  
  exports.run = () => {
    const zones = [];
  
    try {
      // read contents of the file
      const data = fs.readFileSync('./build/zone1970.tab', 'UTF-8');
    
      // split the contents by new line
      const lines = data.split(/\r?\n/);
    
      // print all lines
      lines.forEach((line) => {
        // ignore commented lines
        if (!line || line.startsWith("#")) return;
        // split on tab
        arr = line.split(/\s+/);
        // only push timezone names
        const zoneName = arr[2] // do any manipulation here
        zones.push(zoneName);
      });
    } catch (err) {
      console.error(err);
    }
    
    fs.writeFileSync("./dist/zone-names.json", JSON.stringify(zones, null, 2));  
  }
  