[Bash] for loop 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...
If you want to check the disk space is multiple Linux servers then you can use below bash for loop. In thisexample we are loopingthrough all the servers of Servers.list and checking the disk space of /opt/backup and /opt/log using df -h /opt/backup /opt/log command. ...
$ bash forloop1.sh Example 2 - for Loop With a Break Statement The break statement is used within the ‘for loop’ to end the loop. First, create a file and run the following code. For instance, we will use for loop to read the list of names, and we will test two conditions....
1 for 命令for 命令的基本格式:for var in list do commands done在 list 参数中, 需要提供迭代中要用到的 一系列值. 每次迭代, 变量 $var 会包含 list 的当前值.do 和 done 语句之间是每次迭代需要执行的命令(组).for 命令读取列表中的值:$ cat temp.sh #!/bin/bash for var in hello centos bas...
fg：将作业放到前台运行； break: 跳出for、while、select或until循环； continue: 继续执行for、while...
bash脚本for循环 【代码】bash脚本for循环。 bash 开发语言 变量名 原创 WongKyunban 3月前 28阅读 bash脚本:for循环 for循环: 格式1: for 变量 in 列表; do循环体 done 格式2: 近似于c语言的风格。 for ((变量初始值;退出条件;修正变量的值));do循环体 done生成列表: 整数列表: {NUM1,NUM2} seq [...
Bash for循环为何只执行一次迭代? 如何确保Bash for循环正常执行所有迭代? Bash for循环只执行一次的原因有哪些? 基础概念 Bash中的for循环是一种控制结构,用于重复执行一段代码块,直到满足特定条件。其基本语法如下: 代码语言:txt 复制 for variable in list do # 执行的命令或代码块 done 可能的原因及解决方法 ...
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> $<variable name>;done; Thevariable namewill be the variable you specify in thedosection and will contain the ...
Let’s look at a simple example of a ‘for’ loop acting as a ‘foreach’ loop: forfruitinApple Banana Cherry;doecho"I love$fruit";done# Output:# I love Apple# I love Banana# I love Cherry Bash Copy In this example, the ‘for’ loop iterates over the list of fruits (Apple, ...
The script defines a list of names using an array named "names". It uses a for loop to iterate over each element (name) in the array. Inside the loop, it prints a greeting message for each name using "echo". The '$name' variable holds the value of each name in each iteration of...