[RFC] Flags to dmesg(1) to toggle kern.msgbuf_clear ?

Would anyone be interested in adding a flag argument to dmesg to toggle
kern.msgbuf_clear ? or systematicly to do the same thing ?

I often find myself wanting to clear the msgbuf but have to remember
what the sysctl MIB is for doing so and thought it would be a value add
situation to just add '-c' or '-C' to dmesg(1) to accomplish the same
thing.

This would be along the same lines that Linux has done for quite a
while.


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