监控网络丢包脚本
#!/bin/bash
TARGET_HOST="127.0.0.1"while true; doPING_OUTPUT=$(ping -c 1 -w 2 $TARGET_HOST | awk '{ print $0"\t" strftime("%Y-%m-%d %H:%M:%S",systime()); fflush()}')# echo "${PING_OUTPUT}" # 检查ping命令是否成功执行（返回值为0） if [ $? -ne 0 ]; thenecho "${PING_OUTPUT}"echo "Ping命令执行失败。" exit 1fi# # 检查输出结果中是否包含"packet loss"并统计丢包情况 PACKET_LOSS=$( echo "${PING_OUTPUT}" | grep -oP '(\d+)% packet loss' | awk '{print $1}' | grep -oP '(\d+)')if [[ $PACKET_LOSS -gt 0 ]]; thenecho "${PING_OUTPUT}";echo "Ping失败，存在丢包情况。丢包率：$PACKET_LOSS%。";exit 1 fisleep 1
done
