linux批量检测ip端口

#!/bin/bash

IP_PORT="
10.11.XXX.177 23306
10.11.XXX.101 1529
。。。。
"

#检查
echo “KaTeX parse error: Expected group after '^' at position 22: …T" | grep -Ev "^̲” |
while read line;do
echo “$line” | grep -qE “^#”
if [ $?-eq0];thenecho"$line"
continue
fi

#normal line with ip and port
connectFlag=“DOWN”
nc -z -w 1 $line
if [ $? -eq 0 ];then
connectFlag=“UP”
fi

printf “%-20s %5s %5s\n” $line $connectFlag
done