#!/usr/bin/env lua5.1

local pcap = require"pcap"

file = assert(arg[1])

cap = assert(pcap.open_offline(file))

for pkt, time, len in cap.next, cap do

i = (i or 0) + 1

print("packet", i, "wirelen", len, "timestamp", time, os.date("!%c", time))

dumper = assert(cap:dump_open(i..".pcap"))

assert(dumper:dump(pkt, time, len))

dumper:close()

end