dftest (1) - Linux Manuals

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

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"