If field value is empty (""), don't use fld2fmt, since it may be formatting a number e.g., "{:8.2e}"
If field value is empty (""), don't use fld2fmt, since it may be formatting a number e.g., "{:8.2e}"

tanghaibao/goatools,lileiting/goatools,tanghaibao/goatools,lileiting/goatools