%script

click -e "
FromIPSummaryDump(IN1, STOP true, CHECKSUM true) ->
  rw :: IPAddrRewriter(pattern 3.0.0.1-3.0.0.255# - 0 0)
  -> CheckIPHeader(VERBOSE true)
  -> ToIPSummaryDump(OUT1, DATA src dst)
"

%file IN1
!data src dst
1.0.0.1 9.9.9.9
1.0.0.2 9.9.9.8
1.0.0.1 9.9.9.7
9.9.9.6 3.0.0.1

%ignore
!.*

%expect OUT1
3.0.0.1 9.9.9.9
3.0.0.2 9.9.9.8
3.0.0.1 9.9.9.7
9.9.9.6 1.0.0.1