var getObjectAsync = async function(bucket,key) {
  try {
    const data = await s3
      .getObject({ Bucket: bucket, Key: key })
      .promise();
      var contents = data.Body.toString('utf-8');
      return contents;
  } catch (err) {
    console.log(err);
  }
}
var getObject = async function(bucket,key) {
    const contents = await getObjectAsync(bucket,key);
    console.log(contents.length);
    return contents;
}
getObject(bucket,key);