#!/bin/bash
HOST=$1
PORT=”22 25 80 8080”
for PORT in $PORT; do
if echo &>/dev/null > /dev/tcp/$HOST/$PORT; then
echo “$PORT open”
else
echo “$PORT close”
fi
done
用 shell 打印示例语句中字母数小于6的单词

#示例语句:

#Bash also interprets a number of multi-character options.

#!/bin/bash

##############################################################

#shell打印示例语句中字母数小于6的单词

##############################################################
for s in Bash also interprets a number of multi-character options.
do
n=echo $s|wc -c
if [ $n -lt 6 ]
then
echo $s
fi
done

文档更新时间: 2021-04-29 02:16   作者:月影鹏鹏