VMS Help DECnet-Plus, DCL Commands, APPEND, Qualifiers, /EXCLUDE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /EXCLUDE=(file[,...])

    Qualifier type:        Input file qualifier

    Supported file types:  Local

    This qualifier excludes from appending a file whose file specifi-
    cation matches any excluded file specification. When excluding a
    single file, you can omit the parentheses. Device names and ver-
    sion numbers are unsupported. Using wildcards for file name and
    type is permitted.

    Default value:         All input files are copied