# C-style for loop, which is not avaiable in /bin/sh for ((i = 1; i <= 5; i++)) do echo "Number $i" done 1. 2. 3. 4. 5. 6. 7. You can save any of these scripts to a file (e.g.,script.sh), make it executable withchmod +x script.sh, and run it with./scri...
If you don’t specify the keyword “in” followed by any list of values in the bash for loop, it will use the positional parameters (i.e the arguments that are passed to the shell script). $ cat for3.sh i=1 for day do echo "Weekday $((i++)) : $day" done $ ./for3.sh ...
To exit a nested loop and an outer loop, usebreak 2. Continue Thecontinuecommand ends the current loop iteration. The program continues the loop, starting with the following iteration. To illustrate, add the following code to a Bash script to see how thecontinuestatement works in aforloop: ...
fruit=orange; and on the third and final iteration,fruit=pear. Once it has completed the loop, the script continues normal execution with the next command after thedonestatement. In this case, it ends by saying “Let’s make a salad!” to show that it has ended the loop, but not the...
In this final chapter on flow control, we will look at another of the shell’s looping constructs.The for loop differs from the while and until loops in that it ...
According to the above syntax, the starting and ending block of for loop is defined by do and done keywords in the bash script. The uses of different loops have shown in the next part of this tutorial. Example-1: Reading static values Create a bash file named loop1.sh with the followin...
# 自定义列表forloopin12345doecho"loop=$loop"doneexit0deyuy/bin/my_shell >>chmodu+x for1.shdeyuy/bin/my_shell >> ./for1.shloop=1loop=2loop=3loop=4loop=5还可以通过读取文件内容生成变量列表deyuy/bin/my_shell >>vim num.txt12345 ...
如何在TypeScript中循环对象并用for-in-loop赋值?typescript typescript-typings 我想在TypeScript中组合两个对象,并且只包含第一个对象中存在的键 下面是我的代码。 type User = { username: string passcode: number; } const userA: User = { username: 'A', passcode: 1234 } const updateValues = { ...
[root@www shell-script]# cat c_for02.sh#!/bin/bashfor((i=1,j=100;i<=10;i++,j--))doecho"i=$ij=$j"done 1. 2. 3. 4. 5. 6. for的无限循环 #!/bin/bashfor((i=0;i<1;i+=0))doecho"infinite loop"done 1. 2.
There you will find an entrypoint folder with multiple scripts or anentrypoint.shscript file. Here is annginx example Try to understand the shell script and its functionality. In this process, you will figure out many concepts and logic that can be used while writing a shell script. (function...