循环中断控制符有:break、continue 循环语句示例 for-in #! /bin/bash for num in 1 22 14 55 do echo $num done echo "1 2 3 4 5 loop output" for num in `seq 5` do echo $num done echo "charactor string" for str in hello world "hello, world" do echo $str done 1. 2. 3. 4....
This explains both of the bash for loop methods, and provides 12 different examples on how to use the bash for loop in your shell scripts. Bookmark this article for future reference, as this is the only article you would ever need to refer on how to use bash for loops with examples. ...
1、for循环 for循环一般格式为: for变量in列表docommand1 command2 ... commandNdone 列表是一组值(数字、字符串等)组成的序列,每个值通过空格分隔。每循环一次,就将列表中的下一个值赋给变量。 in 列表是可选的,如果不用它,for 循环使用命令行的位置参数。 举例顺序输出列表中的数字 forloopin12345doecho"...
在Bash For Loop中使用“Continue”语句 “ continue ”语句是控制脚本运行方式的内置命令。除了bash脚本之外,它还用于Python和Java等编程语言。continue语句在满足特定条件时停止循环内的当前迭代,然后恢复迭代。可以看看如下所示的for循环。 #!/bin/bash for n in {1..10} do if [[ $n -eq '6' ]] then ...
This tutorial explains using the for loop in Bash scripts by using the range notation and the three-expression notation like in the C programming language.
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The line “for fruit in "${fruits[@]}"; do” sets up the For Loop. It specifies the variable “fruit” to hold the current element value and “${fruits[@]}” as the array to be iterated. The “@“, within “${fruits[@]}“, represents all the elements of the array. ...
Method 1: Bash For Loop using “in” and list of values Syntax: for varname in list do command1 command2 .. done In the above syntax: for, in, do and done are keywords “list” contains list of values. The list can be a variable that contains several words separated by spaces. If...
-eq 4 ]then continue elif [ $i -eq 6 ]then break fi echo $i done 这将跳过数字 4 并在到达数字 6 时停止循环。通过掌握 for 循环的使用，可以更高效地在 Linux 中编写自动化脚本。这些循环在执行重复性任务时提供了一种简洁且强大的方法。参考：tecmint.com/bash-for-loop-tutorial/ ...
There are two types of bash for loops available. One using the “in” keyword with list of values, another using the C programming like syntax. This article is part of our on-going bash tutorial series. This explains both of the bash for loop methods, an