# Iterate the string variable using for loop forvalin$StringVal;do echo$val done Output: $bashfor_list2.sh Example-3: Iterate an array of string values Create a bash file named ‘for_list3.sh’ and add the following script. An array of string values is declared with type in this scri...
你可以像这样使用它: ## declare an array variable declare -a arr=("element1" "element2" "element3") ## now loop through the above array for i in "${arr[@]}" do echo "$i" # or do whatever with individual element of the array done # You can access them using echo "${arr[0...
The way command substitution works is, the command gets first executed and then the for loop will iterate through the entire output of the command. The command to be iterated upon is placed inside “$()“. In the above snippet: In the linefor file in $(ls); do, the$(ls)part execute...
for databaseName in listOfNames then # Do something end 你可以像这样使用它: ## declare an array variable declare -a arr=("element1" "element2" "element3") ## now loop through the above array for i in "${arr[@]}" do echo "$i" # or do whatever with individual element of the ...
6.1.1 Bash for loop Iterating Through a List of Strings: 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 st...
Example 4 - Loop over array elements In real-time scenarios, you will store some values in arrays and try to loop over the array for further processing. Before understanding how to iterate through an array, you have to understand the behavior of two special variables($@and$*). Both these ...
Loop through files within a folder, either all files or selected ones, in a sh script, Duplicate: Iterating over every file within a folder, Using a Bash Script to Traverse Through Files in a Directory, Using Bash to Traverse Through All Files in a Direc
Strings To loop through words in a string, store the string in a variable. Then, parse the variable to aforloop as a list. For example: #!/bin/bash # For loop with string strings="I am a string" for i in ${strings} do
Iteration is the process of repeating a set of operations for each item in a collection. In the context of a Bash ‘foreach’ loop, the collection could be a list of strings, numbers, or array elements. Here’s an example of a basic Bash ‘for’ loop that prints the numbers 1 to ...
There are some use cases where this behavior makes sense. Take a look at the below example. I wish to print a welcome message for some players and passed their names as arguments. Normally you can store the list of names in an array and loop through the array and print the message. Bu...