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= dftest(1)
:doctype: manpage
include::../docbook/attributes.adoc[]
:stylesheet: ws.css
:linkcss:
:copycss: ../docbook/{stylesheet}
== NAME
dftest - Shows display filter byte-code, for debugging dfilter routines.
== SYNOPSIS
[manarg]
*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
xref:wireshark-filter.html[wireshark-filter](4)
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