小代码 SHELL 30分钟 online

<html> <HEAD></HEAD> <BODY> <a href="http://c.biancheng.net/cpp/view/6994.html">-shell在线 30分钟-</a> <br> <FONT >û </FONT> <br> <textarea rows="20" cols="50"> 请拷贝下面的代码与虚拟机liunx 主文件下命名为xxx.sh; 终端运行可以简单地输入 ./xxx.sh 就能运行了但是可以会有问题解决办法1：vim yyy.sh 然后不写内容 wq 退出 chmod 777 yyy.sh 在手动拷贝 xxx.sh 到yyy.sh 再运行 ./yyy.sh 即可更多学习，尽在菜鸟http://www.runoob.com/ </textarea><BR> <textarea rows="50" cols="50"> ######################################################################### # File Name: XXX.sh # Author: MZSTS.HOST.3V.COM # mail: W22Z@QQ.com # mail: WZASUST@163.com # Created Time: 2016年06月26日星期日 02时13分31秒 ######################################################################### #!/bin/ echo "wzzx" MAX_NO=0 echo -n "Enter Number between (5 to 9) : " echo "What is your name?" read PERSON echo "Hello, $PERSON" your_name="mozhiyan" echo $your_name echo ${your_name} myUrl="http://see.xidian.edu.cn/cpp/linux/" myNum=100 variableName="value_help" myUrl1="http://see.xidian.edu.cn/cpp/shell/" readonly myUrl1 myUrl="http://see.xidian.edu.cn/cpp/u/xitong/" unset myUrl echo $myUrl echo $$ echo "File Name: $0" echo "First Parameter : $1" echo "First Parameter : $2" echo "Quoted Values: $@" echo "Quoted Values: $*" echo "Total Number of Parameters : $#" echo "\$*=" $* echo "\"\$*\"=" "$*" echo "\$@=" $@ echo "\"\$@\"=" "$@" echo "print each param from \$*" for var in $* do echo "$var" done echo "print each param from \$@" for var in $@ do echo "$var" done echo "print each param from \"\$*\"" for var in "$*" do echo "$var" done echo "print each param from \"\$@\"" for var in "$@" do echo "$var" done a=10 echo -e "Value of a is $a \n" DATE=`date` echo "Date is $DATE" USERS=`who | wc -l` echo "Logged in user are $USERS" UP=`date ; uptime` echo "Uptime is $UP" val=`expr 2 + 2` echo "Total value : $val" a=10 b=20 val=`expr $a + $b` echo "a + b : $val" val=`expr $a - $b` echo "a - b : $val" val=`expr $a \* $b` echo "a * b : $val" val=`expr $b / $a` echo "b / a : $val" val=`expr $b % $a` echo "b % a : $val" if [ $a == $b ] then echo "a is equal to b" fi if [ $a != $b ] then echo "a is not equal to b" fi if [ $a -eq $b ] then echo "$a -eq $b : a is equal to b" else echo "$a -eq $b: a is not equal to b" fi if [ $a -ne $b ] then echo "$a -ne $b: a is not equal to b" else echo "$a -ne $b : a is equal to b" fi if [ $a -gt $b ] then echo "$a -gt $b: a is greater than b" else echo "$a -gt $b: a is not greater than b" fi if [ $a -lt $b ] then echo "$a -lt $b: a is less than b" else echo "$a -lt $b: a is not less than b" fi if [ $a -ge $b ] then echo "$a -ge $b: a is greater or equal to b" else echo "$a -ge $b: a is not greater or equal to b" fi if [ $a -le $b ] then echo "$a -le $b: a is less or equal to b" else echo "$a -le $b: a is not less or equal to b" fi if [ $a != $b ] then echo "$a != $b : a is not equal to b" else echo "$a != $b: a is equal to b" fi if [ $a -lt 100 -a $b -gt 15 ] then echo "$a -lt 100 -a $b -gt 15 : returns true" else echo "$a -lt 100 -a $b -gt 15 : returns false" fi if [ $a -lt 100 -o $b -gt 100 ] then echo "$a -lt 100 -o $b -gt 100 : returns true" else echo "$a -lt 100 -o $b -gt 100 : returns false" fi if [ $a -lt 5 -o $b -gt 100 ] then echo "$a -lt 100 -o $b -gt 100 : returns true" else echo "$a -lt 100 -o $b -gt 100 : returns false" fi a="abc" b="efg" if [ $a = $b ] then echo "$a = $b : a is equal to b" else echo "$a = $b: a is not equal to b" fi if [ $a != $b ] then echo "$a != $b : a is not equal to b" else echo "$a != $b: a is equal to b" fi if [ -z $a ] then echo "-z $a : string length is zero" else echo "-z $a : string length is not zero" fi if [ -n $a ] then echo "-n $a : string length is not zero" else echo "-n $a : string length is zero" fi if [ $a ] then echo "$a : string is not empty" else echo "$a : string is empty" fi file="/var/www/tutorialspoint/unix/test.sh" if [ -r $file ] then echo "File has read access" else echo "File does not have read access" fi if [ -w $file ] then echo "File has write permission" else echo "File does not have write permission" fi if [ -x $file ] then echo "File has execute permission" else echo "File does not have execute permission" fi if [ -f $file ] then echo "File is an ordinary file" else echo "This is sepcial file" fi if [ -d $file ] then echo "File is a directory" else echo "This is not a directory" fi if [ -s $file ] then echo "File size is zero" else echo "File size is not zero" fi if [ -e $file ] then echo "File exists" else echo "File does not exist" fi echo "sh里没有多行注释，只能每一行加一个#号" echo "#--------------------------------------------" echo "# 这是一个自动打ipa的脚本，基于webfrogs的ipa-build书写：" echo "# https://github.com/webfrogs/xcode_shell/blob/master" echo "#--------------------------------------------" echo "##### 用户配置区开始 #####" echo " ##### 用户配置区结束 #####" echo "#-------------------test 70001 -------------------------" your_name="qinjx" greeting="hello, "$your_name" !" greeting_1="hello, ${your_name} !" echo $greeting $greeting_1 string="abcd" echo ${#string} string="alibaba is a great company" echo `expr index "$string" is` echo "#-------------------test 70002 -------------------------" NAME[0]="Zara" NAME[1]="Qadir" NAME[2]="Mahnaz" NAME[3]="Ayan" NAME[4]="Daisy" echo "First Index: ${NAME[0]}" echo "Second Index: ${NAME[1]}" echo "First Method: ${NAME[*]}" echo "Second Method: ${NAME[@]}" # 取得数组元素的个数 echo length=${#NAME[@]} # 或者 echo length=${#NAME[*]} # 取得数组单个元素的长度 echo lengthn=${#NAME[n]} echo $n echo lengthn=${#NAME[1]} echo "#-------------------test 70003 echo -------------------------" echo "OK!\c" echo "OK!\c" echo "#------test 1499 printf--------" printf "Hello, Shell\n" printf "%d %s\n" 1 "abc" # 单引号与双引号效果一样 printf '%d %s\n' 1 "abc" # 没有引号也可以输出 printf %s abcdef # 格式只指定了一个参数，但多出的参数仍然会按照该格式输出，format-string 被重用 printf %s abc def printf "%s\n" abc def printf "%s %s %s\n" a b c d e f g h i j # 如果没有 arguments，那么 %s 用NULL代替，%d 用 0 代替 printf "%s and %d \n" echo "#------test 7005 if else fi--------" a=10 b=20 if [ $a == $b ] then echo "a is equal to b" elif [ $a -gt $b ] then echo "a is greater than b" elif [ $a -lt $b ] then echo "a is less than b" else echo "None of the condition met" fi echo "#------test 7005 case -------" echo 'Input a number between 1 to 4' echo 'Your number is:\c' read aNum case $aNum in 1) echo 'You select 1' ;; 2) echo 'You select 2' ;; 3) echo 'You select 3' ;; 4) echo 'You select 4' ;; *) echo 'You do not select a number between 1 to 4' ;; esac echo "#------test 7007 for --------" for loop in 1 2 3 4 5 do echo "The value is: $loop" done for str in 'This is a string' do echo $str done echo "#------test 7008 while -------" COUNTER=0 while [ $COUNTER -lt 5 ] do COUNTER='expr $COUNTER+1' echo $COUNTER done echo "#------test 7009 until--------" a=0 until [ ! $a -lt 10 ] do echo $a a=`expr $a + 1` done echo "#------test 7010 break--------" for var1 in 1 2 3 do for var2 in 0 5 do if [ $var1 -eq 2 -a $var2 -eq 0 ] then break 2 else echo "$var1 $var2" fi done done </textarea> <textarea rows="50" cols="50"> </textarea> <br> <FONT >û </FONT> <br> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <br> <FONT >û </FONT> <br> <br> <FONT >û </FONT> <br> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <br> <FONT >û </FONT> <br> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <br> <FONT >û </FONT> <br> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <br> <FONT >û </FONT> <br> <textarea rows="50" cols="50"> </textarea><textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> <textarea rows="50" cols="50"> </textarea> </BODY> </html>

相关阅读