#!/bin/sh

VAR=$(cat pfout) #pfout has lines like -> BLOCK_IN 331 202 31866

BLOCK_IN_EVAL=$(echo "$VAR" | grep BLOCK_IN | awk '{ print $2 }')
BLOCK_IN_PACKETS=$(echo "$VAR" | grep BLOCK_IN | awk '{ print $3 }')
BLOCK_IN_BYTES=$(echo "$VAR" | grep BLOCK_IN | awk '{ print $4 }')

echo $BLOCK_IN_EVAL
echo $BLOCK_IN_PACKETS
echo $BLOCK_IN_BYTES