1#!/bin/sh 2 3if [ $# -ne 3 ]; then 4 echo "Usage: ./tst_kvercmp.sh r1 r2 r3" 5 exit 1 6fi 7 8ker_ver=$(uname -r) 9r1=$(echo ${ker_ver} | awk -F. '{print $1}') 10r2=$(echo ${ker_ver} | awk -F. '{print $2}') 11r3=$(echo ${ker_ver} | awk -F. '{print $3}') 12r3=${r3%%-*} 13r3=${r3%%+*} 14 15test_ver=$(($1 * 65536 + $2 * 256 + $3)) 16curr_ver=$((${r1} * 65536 + ${r2} * 256 + ${r3})) 17if [ ${curr_ver} -ge ${test_ver} ]; then 18 echo 0 19else 20 echo 1 21fi 22