学习期间写过一些shell脚本，
测试过程：vi test.sh 后把程序写入其中，保存退出。然后改变文件属性：chmod +x test.sh 最后执行：./test.sh
for语句测试:
1)
#!/bin/bash
for num in 1 2 3
do
echo "hello,num=$num"
done
2)
#!/bin/bash
for ((i=1;i<=3;i=i+1 ));do echo hello,$i;done
if语句测试:
#!/bin/bash
echo "please run the program with more than one param"
if [ "$1" = '' ] #$1是只运行该程序时可加参数1，如./iftest.sh 1 注意等号旁边和中括号的空格
then
echo "error"
else
echo "ls内容为 :" #echo '$1':$1
echo `ls`
fi
while语句测试:
1）
#!/bin/bash
m=0
while [ $m -lt 10 ]
do
echo $m
m=`expr $m + 1` #注意m旁边的空格
done
2）
declare -i m=0 ＃别一种在算术运算时声明变量的方法
while [ $m -lt 10 ]
do
echo $m
m=$m+1
done
until语句测试:
1）
#!/bin/bash
declare -i m=10
until [ $m -lt 10 ]
do
echo $m
m=$m-1
done
2）
declare -i m=0
while [ $m -lt 10 ]
do
echo $m
m=$m+1
done
sed测试:
#!/bin/bash
#sed '/^root/ !s/bash/nologin/' /etc/passwd
man sed | col -b > fortest.sh
sed '1,$s/is/--end/' fortest.sh
sed '1,$s/is/--end/g' fortest.sh
sed '/is/=' fortest.sh
引号测试:
#!/bin/bash
var=hello
echo "var is $var"
echo 'var is $var'
echo "var is $var"
echo `ls`
var2=date
echo `$var2`
case语句测试:
#!/bin/bash
for (( ;; ))
do
echo "please input a key:"
read word
case $word in
1)
echo "your chioce is the one"
;;
2)
echo "your chioce is the two"
;;
3)
echo "your chioce is the three"
;;
q)
echo "your choice is exit"
exit
;;
*)
echo "illegal choice"
exit
esac
done
" $ "符号测试:
#!/bin/bash
echo "please run with more than one parm";
echo "program name $0:"$0;
echo "first param $1:"$2;
echo "first param $$:"$$;
echo "first param $*:"$*;
数组的使用:
#!/bin/bash
hostip=("100","101","102","103","104","105","106","107","108","109","110")
hostpass=("123456","123456","123456","123456","123456","123456","123456","123456","123456","123456","123456")
i=1
while [ $i -lt 12 ] ; do
ssh root@10.0.2.hostip[$i]
done
重启别人电脑的shell: #这个好像有点问题，需再测试下
#!/usr/bin/expect
spawn ssh root@10.0.2.120
expect "password:"
send "123456 "
expect "$"
send "reboot "
#expect "password:"
#send "123456 "
expect eof
查找文件，需指定查找目录和文件的修改时间:
#!/bin/bash
path=$1
date=$2
if [ -z $path ]
then
echo "Please input find path:(eg:/dev/abc/)"
read path
fi
if [ -z $date ]
then
echo "Please input find date:(eg:2006-04-23)"
read date
fi
ls -l $path --time-style=long-iso | grep "$date $time"
递归算法：
1）
#!/bin/bash
function myls()
{
local y=`ls`;
echo $y;
for z in $y;do
if [ -d $z ];then
echo "进入子目录";
cd `pwd`/$z;
myls;
echo "返回上一级目录";
cd..;
fi
done
}
echo "please input a directory:"
read x
cd $x
myls;
2）#!/bin/bash
check_dir()
{
if [ -d $y ];then
echo "$y是一个目录";
ls -l $y
else
echo "$y是一个文件";
fi
}
echo "please input a directory:"
read y
x=`ls $y`
echo $x
for y in $x;do
check_dir
done;
备份脚本:
#!/bin/bash
/bin/tar -zcf /var/mail
/bin/cp /var/mail.tar.gz /root
查找目录:
#!/bin/bash
ls -l | grep ^d
#输出当前目录下的所有目录
更新ftp服务器上的文件:
#!/bin/bash
echo "open 10.0.2.224" > /tmp/ftp1.cmd
echo "user ubunadm 123456" >> /tmp/ftp1.cmd
echo "get `date +%Y`/`date +%Y%m`/`date +%d`/file01 /root/copy/file02" >> /tmp/ftp1.cmd
ftp -nv < /tmp/ftp1.cmd
echo "quit" >> /tmp/ftp1.cmd
for语句测试:
1)
#!/bin/bash
for num in 1 2 3
do
echo "hello,num=$num"
done
2)
#!/bin/bash
for ((i=1;i<=3;i=i+1 ));do echo hello,$i;done
if语句测试:
#!/bin/bash
echo "please run the program with more than one param"
if [ "$1" = '' ] #$1是只运行该程序时可加参数1，如./iftest.sh 1 注意等号旁边和中括号的空格
then
echo "error"
else
echo "ls内容为 :" #echo '$1':$1
echo `ls`
fi
while语句测试:
1）
#!/bin/bash
m=0
while [ $m -lt 10 ]
do
echo $m
m=`expr $m + 1` #注意m旁边的空格
done
2）
declare -i m=0 ＃别一种在算术运算时声明变量的方法
while [ $m -lt 10 ]
do
echo $m
m=$m+1
done
until语句测试:
1）
#!/bin/bash
declare -i m=10
until [ $m -lt 10 ]
do
echo $m
m=$m-1
done
2）
declare -i m=0
while [ $m -lt 10 ]
do
echo $m
m=$m+1
done
sed测试:
#!/bin/bash
#sed '/^root/ !s/bash/nologin/' /etc/passwd
man sed | col -b > fortest.sh
sed '1,$s/is/--end/' fortest.sh
sed '1,$s/is/--end/g' fortest.sh
sed '/is/=' fortest.sh
引号测试:
#!/bin/bash
var=hello
echo "var is $var"
echo 'var is $var'
echo "var is $var"
echo `ls`
var2=date
echo `$var2`
case语句测试:
#!/bin/bash
for (( ;; ))
do
echo "please input a key:"
read word
case $word in
1)
echo "your chioce is the one"
;;
2)
echo "your chioce is the two"
;;
3)
echo "your chioce is the three"
;;
q)
echo "your choice is exit"
exit
;;
*)
echo "illegal choice"
exit
esac
done
" $ "符号测试:
#!/bin/bash
echo "please run with more than one parm";
echo "program name $0:"$0;
echo "first param $1:"$2;
echo "first param $$:"$$;
echo "first param $*:"$*;
数组的使用:
#!/bin/bash
hostip=("100","101","102","103","104","105","106","107","108","109","110")
hostpass=("123456","123456","123456","123456","123456","123456","123456","123456","123456","123456","123456")
i=1
while [ $i -lt 12 ] ; do
ssh root@10.0.2.hostip[$i]
done
重启别人电脑的shell: #这个好像有点问题，需再测试下
#!/usr/bin/expect
spawn ssh root@10.0.2.120
expect "password:"
send "123456 "
expect "$"
send "reboot "
#expect "password:"
#send "123456 "
expect eof
查找文件，需指定查找目录和文件的修改时间:
#!/bin/bash
path=$1
date=$2
if [ -z $path ]
then
echo "Please input find path:(eg:/dev/abc/)"
read path
fi
if [ -z $date ]
then
echo "Please input find date:(eg:2006-04-23)"
read date
fi
ls -l $path --time-style=long-iso | grep "$date $time"
递归算法：
1）
#!/bin/bash
function myls()
{
local y=`ls`;
echo $y;
for z in $y;do
if [ -d $z ];then
echo "进入子目录";
cd `pwd`/$z;
myls;
echo "返回上一级目录";
cd..;
fi
done
}
echo "please input a directory:"
read x
cd $x
myls;
2）#!/bin/bash
check_dir()
{
if [ -d $y ];then
echo "$y是一个目录";
ls -l $y
else
echo "$y是一个文件";
fi
}
echo "please input a directory:"
read y
x=`ls $y`
echo $x
for y in $x;do
check_dir
done;
备份脚本:
#!/bin/bash
/bin/tar -zcf /var/mail
/bin/cp /var/mail.tar.gz /root
查找目录:
#!/bin/bash
ls -l | grep ^d
#输出当前目录下的所有目录
更新ftp服务器上的文件:
#!/bin/bash
echo "open 10.0.2.224" > /tmp/ftp1.cmd
echo "user ubunadm 123456" >> /tmp/ftp1.cmd
echo "get `date +%Y`/`date +%Y%m`/`date +%d`/file01 /root/copy/file02" >> /tmp/ftp1.cmd
ftp -nv < /tmp/ftp1.cmd
echo "quit" >> /tmp/ftp1.cmd
echo "open 10.0.2.224" > /tmp/ftp.cmd
echo "user ubunadm 123456" >> /tmp/ftp.cmd
j=`date +%Y`/`date +%Y%m`/`date +%d`
echo "$j"
echo "cd $j" >> /tmp/ftp.cmd
cd /root/copy
m=`ls -l|awk '{print $5}'`
n=$m
while true ; do
echo "大小 $m and $n"
if [ $m -eq $n ] ; then
echo "OK!"
n=$m
echo "**********************************************"
echo "size file01" >> /tmp/ftp.cmd
x=`ftp -nv < /tmp/ftp.cmd`
echo "--------------------------"
echo "文件内容为：$x"
echo "--------------------------"
m=`echo $x | awk '{print $31}'`
echo "--------------------------"
echo "文件大小为：$m"
echo "--------------------------"
else
echo "get `date +%Y`/`date +%Y`${x:0:2}/${y:0:2}/file01 /root/copy/file02" >> /tmp/ftp1.cmd
ftp -nv < /tmp/ftp1.cmd
n=$m
echo "更新成功"
fi
sleep 3
done
制作菜单脚本:
1)
echo "user ubunadm 123456" >> /tmp/ftp.cmd
j=`date +%Y`/`date +%Y%m`/`date +%d`
echo "$j"
echo "cd $j" >> /tmp/ftp.cmd
cd /root/copy
m=`ls -l|awk '{print $5}'`
n=$m
while true ; do
echo "大小 $m and $n"
if [ $m -eq $n ] ; then
echo "OK!"
n=$m
echo "**********************************************"
echo "size file01" >> /tmp/ftp.cmd
x=`ftp -nv < /tmp/ftp.cmd`
echo "--------------------------"
echo "文件内容为：$x"
echo "--------------------------"
m=`echo $x | awk '{print $31}'`
echo "--------------------------"
echo "文件大小为：$m"
echo "--------------------------"
else
echo "get `date +%Y`/`date +%Y`${x:0:2}/${y:0:2}/file01 /root/copy/file02" >> /tmp/ftp1.cmd
ftp -nv < /tmp/ftp1.cmd
n=$m
echo "更新成功"
fi
sleep 3
done
制作菜单脚本:
1)
#!/bin/bash
x=0
while [ $x -ne 5 ]; do
x=0
while [ $x -ne 5 ]; do
echo "List Directory......1"
echo "Change Directory....2"
echo "Edit File...........3"
echo "Remove File.........4"
echo "Exit Menu...........5"
echo "Change Directory....2"
echo "Edit File...........3"
echo "Remove File.........4"
echo "Exit Menu...........5"
echo "Please choose one:"
read x
read x
case $x in
1)echo "current directory is:"
ls `pwd`;;
2)echo "Enter target directory:/"
echo "List Directory......1"
echo "Change Directory....2"
echo "Edit File...........3"
echo "Remove File.........4"
echo "Exit Menu...........5"
echo "Please choose one:"
read y
case $y in
1)echo "current directory is:"
ls `pwd`;;
2)echo "Please a path:"
read z
cd $z;;
3)echo "Please input a file:"
read i
vi $m;;
4)echo "Please input a file";
read j
rm -rf $n;;
5)echo "Exit";;
esac
;;
3)echo "Please input a file:"
read m
vi $m;;
4)echo "Please input a file";
read n
rm -rf $n;;
5)echo "Exit";
esac
done
1)echo "current directory is:"
ls `pwd`;;
2)echo "Enter target directory:/"
echo "List Directory......1"
echo "Change Directory....2"
echo "Edit File...........3"
echo "Remove File.........4"
echo "Exit Menu...........5"
echo "Please choose one:"
read y
case $y in
1)echo "current directory is:"
ls `pwd`;;
2)echo "Please a path:"
read z
cd $z;;
3)echo "Please input a file:"
read i
vi $m;;
4)echo "Please input a file";
read j
rm -rf $n;;
5)echo "Exit";;
esac
;;
3)echo "Please input a file:"
read m
vi $m;;
4)echo "Please input a file";
read n
rm -rf $n;;
5)echo "Exit";
esac
done
2)
#!/bin/bash
x=1
while [ $x -ne 0 ]; do
echo "1.ls - list current directory"
echo "2.cd - change directory"
echo "3.mkdir - create a directory"
echo "4.rm - remove"
echo "0.quit"
echo "2.cd - change directory"
echo "3.mkdir - create a directory"
echo "4.rm - remove"
echo "0.quit"
echo please input:
read x
echo input:$x
read x
echo input:$x
case $x in
1)echo "ls - list current directory";;
2)echo "cd - change directory";;
3)echo "mkdir - create a directory";;
4)echo " 1.file - remove a file
2.directory - remove a directory"
read y
echo input is:$y
case $y in
1)echo "file - create a directory";;
2)echo "directory - remove a directory";;
*)echo "bad";;
esac
;;
0)echo "bad";
esac
done
大量发邮件脚本:
1)
#!/bin/bash
exec 3<friends;#将名字，拼音，邮件分成三列输入friends中
exec 0<&3-;
while read a b c ; do#读文件里的三列
echo $a $b $c;
echo "Hi,$b!
Happy......
...
.... `date`" >mymail#生成一封邮件
mail -S "Happy New Year!" $c < mymail
done
3<&0-
2)
#!/bin/bash
exec 3<friends;#将名字，拼音，邮件分成三列输入friends中
exec 0<&3-;
while read a b c ; do#读文件里的三列
echo $a $b $c;
mail -S "Happy New Year!" $c <<Delimit
Hi,$b!
Happy......
...
.... `date`"#用临时文档( <<Delimit 文件内容 Delimit )输入邮件内容
Delimit
done
3<&0-
ssh自动登陆另一台机:
1)
#!/usr/bin/expect
spawn ssh [lindex $argv 0]
set password [lindex $argv 1]
expect "*password:"
send "$password "
expect eof
interact #把控制权交给用户
大批量创建用户和修改密码:
1)echo "ls - list current directory";;
2)echo "cd - change directory";;
3)echo "mkdir - create a directory";;
4)echo " 1.file - remove a file
2.directory - remove a directory"
read y
echo input is:$y
case $y in
1)echo "file - create a directory";;
2)echo "directory - remove a directory";;
*)echo "bad";;
esac
;;
0)echo "bad";
esac
done
大量发邮件脚本:
1)
#!/bin/bash
exec 3<friends;#将名字，拼音，邮件分成三列输入friends中
exec 0<&3-;
while read a b c ; do#读文件里的三列
echo $a $b $c;
echo "Hi,$b!
Happy......
...
.... `date`" >mymail#生成一封邮件
mail -S "Happy New Year!" $c < mymail
done
3<&0-
2)
#!/bin/bash
exec 3<friends;#将名字，拼音，邮件分成三列输入friends中
exec 0<&3-;
while read a b c ; do#读文件里的三列
echo $a $b $c;
mail -S "Happy New Year!" $c <<Delimit
Hi,$b!
Happy......
...
.... `date`"#用临时文档( <<Delimit 文件内容 Delimit )输入邮件内容
Delimit
done
3<&0-
ssh自动登陆另一台机:
1)
#!/usr/bin/expect
spawn ssh [lindex $argv 0]
set password [lindex $argv 1]
expect "*password:"
send "$password "
expect eof
interact #把控制权交给用户
大批量创建用户和修改密码:
#!/bin/bash
#此脚本适合于ubuntu下
#此小脚本为方便需要批量添加大量用户的管理员而写,密码默认设置为用户名.
read -p "请输入你想要添加的用户名和需要的个数(如:xuanfei 100):" a b
for((i=1;i<=$b;i++))
do
useradd -m $a$i && echo "$a$i:$a$i" > swp && chpasswd < swp && pwconv && echo "添加$a$i用户成功"
done
rm -rf swp
#此脚本适合于ubuntu下
#此小脚本为方便需要批量添加大量用户的管理员而写,密码默认设置为用户名.
read -p "请输入你想要添加的用户名和需要的个数(如:xuanfei 100):" a b
for((i=1;i<=$b;i++))
do
useradd -m $a$i && echo "$a$i:$a$i" > swp && chpasswd < swp && pwconv && echo "添加$a$i用户成功"
done
rm -rf swp
2)
#!/bin/bash
#此脚本适合于Redhat下
for((i=0;i<10;i++))
do
useradd user$i
echo "加用户 $user 成功"
echo "user$i" | passwd --stdin user$i
done