The basic Bash for loop goes over a list of elements, array, or can be used to execute a set of instructions in the loop body repeatedly. The following example is an implementation of for loop that is going over a list of string elements: #! /bin/bash for items in saturday sunday mo...
[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...
Over Strings Now let's look at standard Bash for Loop over Strings. For instance, in the below example, the loop will repeat each item in the list of strings and variable element fixed to the current item. for element in Gold Silver Diamond Platinum do echo "Element: $element" Done Over...
The most simple use of ‘for’loop is to read a list of string or numeric data. The list of numeric data is iterated by usingfor-inloop in the following example. Here, four numbers will be read in the variable,$nin each step of the loop and printed. Create a bash file with the f...
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 '$name' variable holds the value of each name in each iteration of...
Bash C Style For Loop You can use variables inside loops to iterate over a range of elements. This is whereC-styled for loopscome in. The following example illustrates aC-style for loopthat prints out a list of numerical values from 1 to 7. ...
How to create an infinite loop in bash? How to find if a number is odd or even in bash? How to iterate over a bash array? How to loop over each line of a file? How to iterate over a list of files? How to use numbers with leading zeros in a bash loop? How to iterate over ...
Loop Over Directory Let’s loop over the newly createdtestdirectory and display the file names inside the directory. We’ll useforloop to do this. ~/test$forfilein*;doecho$file;done Navigate to thetestdirectory and enter the above command after$.*denotes all files inside the directory. ...
sh/Bash脚本静态分析和lint工具:ShellCheck。它不仅主要关注shell脚本典型初中级语法错误和shell输出的神秘的错误信息或者奇怪行为的缺陷,也能报告一些高级导致后来故障的高级问题。 What does ShellCheck check? Here is an incomplete list of things ShellCheck warns about and suggests improvements to: ...
This type of for loop is characterized by counting. The range is specified by a beginning (#1) and ending number (#5). The for loop executes a sequence of commands for each member in a list of items. A representative example in BASH is as follows to display welcome message 5 times wit...