Library /sys$common/syshlp/lse$clihelp.hlb FIND, Qualifiers, /REPLACE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /REPLACE
       /NOREPLACE (D)

    Indicates whether existing queries should be replaced by new
    queries. By default, a FIND command that creates a query with
    the same name as an already existing query will fail.