| 关键词: site siteip echo 192.168 then else done DOWN null ping |
#!/bin/bash for siteip in $(seq 1 254) do site="192.168.1.${siteip}" ping -c1 -W1 ${site} &> /dev/null if [ "$?" == "0" ]; then echo "$site is UP" else : #echo "$site is DOWN" fi done |
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