How do I use three-parameter for loop control expression? A 'for loop' is a bash programming language statement which allows code to be repeatedly executed. A for loop is classified as an iteration statement i.e
Using the for loop, it is straightforward to read the predefined strings or array. Here is an example of how you can use the for loop. In the example, we will take the input value of a text that has multiple words that will be taken after executing the script. We will use the for...
The example shows how to exit an infiniteforloop using abreak. TheBash if statementhelps check the value for each integer and provides thebreakcondition. This terminates the script when an integer reaches the value ten. To exit a nested loop and an outer loop, usebreak 2. Continue Thecontin...
A 'for loop' is a bash programming language statement which allows code to be repeatedly executed. A for loop is classified as an iteration statement i.e. it is the repetition of a process within a bash script. Tutorial details For example, you can run UNIX command or task 5 times or ...
Example 5: C-style for Loop #!/bin/zshfor((i=1;i<=5;i++))doecho"Number:$i"done Practical Example: Creating Backup Files Create the script file backup.sh: nano backup.sh Add the following content: #!/bin/zshsource_dir="/path/to/source_directory"backup_dir="/path/to/backup_direct...
/bin/bashforiinfile{1..3};doforxinweb{0..3};doecho"Copying$ito server$x"scp$i$xdonedone When you save and execute this script, the result is the same as running the nested loop example above, but it's more readable, plus it's easier to change and maintain....
for i in "${distros[@]}"; do echo $i done If you run the script, it will display all the distros defined in the array: Ubuntu Fedora Debian Alpine While loop in bash The while loop tests a condition and then keeps on looping as long as the condition is true. ...
BASH while loop explained with examples #!/bin/bash ROOT_UID=0 if [ "$UID" -eq "$ROOT_UID" ] then echo "You are a root user." else echo "You are not a root user" fi You have to run the bash script with sudo command. ...
for((exp1;exp2;exp3))docommand1 command2done Examples Using theforLoop in Bash The scripts below demonstrate using the for loop in Bash scripts. This script sets the value of the variableito1the first time, and it printsline number 1. Then it goes back to theforloop, sets variableito...
Script execution 20 Examples to Dive Deeper into Bash Scripting Example 01 – Use of variables in scripts Example 02 – Inputs and outputs Example 03 - Conditional statements with IF Example 04 – Case statements Example 05 – For loop Example 06 – Do while Example 07 – Access data from ...