(转) 一个从fedora7中拷贝过来的bash脚本,居然不能在ubuntu下面执行,提示错误 Bad for loop variable G了一把,在TW同胞那里找到了答案～原来是bash和dash的问题 解决方法: 使用 sudo dpkg-reconfigure dash 选择NO。。 世界又清静了~(经典!) 感谢link:http://hi.baidu.com/yk103/blog/item/1e9831fa3fc23d8c9e5146d0.html
array_name[0]=value0 array_name[1]=value1 array_name[2]=value2 5.读取数组 读取数组元素值的一般格式是: ${array_name[index]} 6.实例 #!/bin/bash # author:菜鸟教程 # url:www.runoob.com my_array=(A B "C" D) echo "第一个元素为: ${my_array[0]}" echo "第二个元素...
Another practical use case is synchronizing the contents of two folders. There are two loops in theSyncFolder.ps1script, both using theForEach-Objectcmdlet. The first loop replicates the source folder’s folder structure to the destination folder. The second one performs the file copy operation. ...
/bin/bashmy_array=(A,b,"C",D)my_array[4]="E"echo"第一个元素:${my_array[0]}"echo"第二个元素:${my_array[1]}"echo"数组的所有元素:${my_array[*]}"echo"数组的所有元素:${my_array[@]}"echo"数组的长度:${#my_array[*]}"echo"数组的长度:${#my_array[@]}" 运算符 算数运算符...
In a shell script, the “read” command enables the user to capture input. It facilitates prompting the user for information and storing their response in a variable.13. How do you create a loop in a shell script? Shell scripts can use loops such as the “for” and “while” loops. ...
Once you have saved theisPrime.ps1script, run it in PowerShell to test. To demonstrate, see the sample output below. Using for loop in a script to determine a prime number Summary The PowerShell for loop brings no surprises when compared to how the for loop functions used in other languag...
Shell script 是解释型语言,而不是编译型语言shell 分好多种,如果想看你的操作系统中支持哪几种,可以执行如下命令: cat /etc/shells 输出如下(每个人的不一样): # List of acceptable shells for chpass(1). # Ftpd will not allow users to connect who are not using ...
#!/bin/bash # using a function in a script #创建函数func1 function func1 { echo "This is an example of a function" } #循环 count=1 while [ $count -le 5 ] #le:是否小于或等于 do func1 #循环里调用函数 count=$[ $count + 1 ] done echo "This is the end of the loop" func1...
for skill in Ada Coffe Action Java do echo "I am good at ${skill}Script" Done 如果不给skill变量加花括号,写成echo "I am good at $skillScript",解释器就会把$skillScript当成一个变量(其值为空),代码执行结果就不是我们期望的样子了。(推荐使用花括号) 只读变量:使用 readonly 命令可以将变量定义...
done | mysql -h{Host}-u{username} -p{pswd} -P3306 done In the above script 1. though the process is killed after set time, the loop still runs and 2000 inserts are made. 2. If the above issue is with for loop, I need help in achieving point 2 & 3 of Goal.Navigate...