MongoDB Bulk Rename mongosh js

mongodb-bulk-rename.mongosh.js

// MIT License

// Sources below!!! Thank you persons and entities for your code!!!

db.product.find({"fieldOne":"findString"}).forEach(doc => {
      let updatedFieldOne = doc.fieldOne.replace('findString', 'replaceString');
      print(doc._id)
      print(doc.fieldOne)
      print(updatedFieldOne)
      db.product.updateOne(
        { "_id": doc._id },
        { $set : { "fieldOne" : updatedFieldOne } }
      );
      sleep(1200);
});


db.product.find({"fieldTwo":/findString/}).forEach(doc => {
    let updatedFieldTwo = doc.fieldTwo.replace('findString', 'replaceString');
    print(doc._id)
    print(doc.fieldTwo)
    print(updatedFieldTwo)
    db.product.updateOne(
        { "_id": doc._id },
        { $set : { "fieldTwo" : updatedFieldTwo } }
    );
    sleep(1200);
});

// Sources:

// How to replace substring in mongodb document,  
// thank you Lukas Liesis,  
// https://stackoverflow.com/a/38575230/6533028

// How to replace substring in mongodb document,  
// thank you Xavier Guihot,  
// https://stackoverflow.com/a/56556298/6533028

// How to replace substring in mongodb document,  
// thank you Naveed et al,  
// https://stackoverflow.com/a/31262746/6533028

// MongoDB, $set,  
// thank you MongoDB, Inc.,  
// https://www.mongodb.com/docs/manual/reference/operator/update/set/