NAME

       dftest - Shows display filter byte-code, for debugging dfilter routines.

SYNOPSIS

       dftest [ <filter> ]

DESCRIPTION

       dftest is a simple tool which compiles a display filter and shows its bytecode.

OPTIONS

       filter

           The display filter expression. If needed it has to be quoted.

EXAMPLES

       Show how the IP protocol is filtered:

           dftest ip

       Shows how frame 150 is filtered:

           dftest "frame.number == 150"

SEE ALSO

       wireshark-filter(4)

                                            2022-07-28                                  DFTEST(1)