检测主机是否存活-成长的对话

#!/bin/bash
PREFIX=192.168.1
 NODE=1
 while [ "$NODE" -lt "255" ]; do
 echo -en "Pinging ${PREFIX}.${NODE}..."
 ping -c1 -w1 -t5 ${PREFIX}.${NODE} >/dev/null 2>&1
 if [ "$?" -eq "0" ]; then
 echo "OK"
 else
 echo "Failed"
 fi
 let NODE=$NODE+1
 done

#!/bin/bash

PREFIX = 192.168.1

NODE = 1

while [ "$NODE" - lt "255" ] ; do

echo - en "Pinging ${PREFIX}.${NODE}..."

ping - c1 - w1 - t5 $ { PREFIX } . $ { NODE } > / dev / null 2 > & 1

if [ "$?" - eq "0" ] ; then

echo "OK"

else

echo "Failed"

let NODE = $ NODE + 1

done

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