text: var updateOperations = [];
  db.ProductoFaltanteZona.find({Zonas : {"$type": 2}}).forEach(function(doc){ 
  	if(doc.Zonas.trim().length > 0){
  		var zonasArray = doc.Zonas.split('|');
  		updateOperations.push({
  			updateOne: {
  				filter: { "_id": doc._id },
  				update: { "$set": { Zonas: zonasArray } }
  			}
  		});
  	}		
  	if(updateOperations.length >= 1000){
  		db.ProductoFaltanteZona.bulkWrite(updateOperations);
  		updateOperations = [];
  	}
  });
  
  if(updateOperations.length > 0){
  	db.ProductoFaltanteZona.bulkWrite(updateOperations);
  	updateOperations = [];
  }