简单的shell命令

#! /bin/bash

xzh=“/1/2/3/4”

if [ ! -e $xzh ]

then

mkdir -p $xzh

fi

#!/bin/bash

read -p "please set file:" n

if[ ! -e $n ]

touch $n

n=

cat iplist

for IP in $n

do

ping -c 3 -i 0.2 -w 3 $IP &> /dev/null

if [ $? -eq 0 ] ; then

echo "Host $IP is on-line."

else

echo "Host $IP is off-line."

done

read -p "please set directory:" n

if [ ! -e $n ]

mkdir -p $n

echo "this $n directory exist"