The basic syntax of a for loop in Bash is: forvariableinlistdocommandsdone Examples Example 1: Iterating Over a List of Words #!/bin/zshforwordinapple banana cherrydoecho"The word is:$word"done Example 2: Iterating Over a Range of Numbers ...
例如,您可以运行UNIX命令或任务5次,或使用for循环读取和处理文件列表。 可以在shell提示符下或在shell脚本本身内使用for循环。 更详细信息 请看: Bash For Loop Examples In Linux for循环语法 数字范围的语法如下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 for VARIABLE in 1 2 3 4 5 .. Ndo co...
For example, you can run UNIX command or task 5 times or read and process list of files using a for loop. A for loop can be used at a shell prompt or within a shell script itself. for loop syntax Numeric ranges for syntax is as follows: for VARIABLE in 1 2 3 4 5 .. N do c...
/bin/bashn=9999for(( i =1; i<=100;i++))do/root/testProgram$nsleep5 n=$((n+1))done REFER:How to increment a variable in bash?
当我们用编程语言编写一个 forloop时,我们正在构建一个迭代的命令式:我们要求计算机首先完成一个工作,然后循环到最后。但通过GNU Parallel编写命令时,我们遵循所谓的描述性功能编程。就是,我们尝试用模式描述我们想要的内容,然后让计算机填写该模式并输入完整命令。 GNU Parallel的极简介绍 GNU Parallel 是一个非常好用...
linux上面bash for循环的方法 1、罗列式 [code] for VARIABLE in 1 2 3 4 5 .. N do command1 command2 commandN done [/code] [code] #!/bin/bash for i in 1 2 3 4 5 do echo "Welcome $i times" done [/code] 2、使用rang
Basic structure of the for loop First, let's talk about the basic structure of aforloop, and then we'll get into some examples. The basic syntax of aforloop is: for <variable name> in ;do <some command> $<variable name>;done; Thevariable namewill ...
‘for’ loop to iterate through each element in the array. The"${array[@]}"syntax is used to access all elements in the array. For each iteration, the current element’s value is stored in theivariable, which we then print out using theechocommand. This results in each item in the ...
你可以这样使用它:## declare an array variabledeclare -a arr=("element1" "element2" "element3")## now loop through the above arrayfor i in "${arr[@]}"do echo "$i" &...
An example of a collection-controlled loop can be done using the Bash Brace Expansion. The [ in [ words …] ] is optional in Bash. When not present, the for-loop will use the $@ variable and will iterate over each positional parameters, similar to for name in "$@"....