[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:$word"done Example 2: Iterating Over a Range of Numbers...
and most used loop is the “for” loop. So, today we will be looking at the syntax and working of the “for” loop for a series of numbers, i.e., 1 to 10. Let’s start by opening a terminal shell with the help of a “Ctrl+Alt+T” command on the Ubuntu 20.04 desktop system...
Theforloopis an essential programming functionality that goes through a list of elements. For each of those elements, theforloop performs a set of commands. The command helps repeat processes until a terminating condition. Whether you're going through an array of numbers or renaming files,forloo...
While one can use the for loop for numbers and strings, programmers can even leverage the same to repeat over a range. For example, we will state an array - Players and iterate over each of the elements of the range. PLAYERS=('Cristiano Ronaldo' 'Lionel Messi' 'Iker Casillas') for pla...
Let’s have a simple example where we create a Bash “for” loop to print the numbers from 10 to 1. For that, our expression one is 10, and the 1 is the condition. The Bash “for” loop is as follows: If we run the script, we can confirm that it runs successfully. ...
You may want to run thefor loopNnumber of times, for that, you can use bash built-in sequence generator"{x..y[..incr]}"which will generate a sequence of numbers. X= Starting Integer value Y= Ending Integer value Incr= optional Integer value which does increment of integers ...
There are two types of bash for loops available. One using the “in” keyword with list of values, another using the C programming like syntax. This article is part of our on-going bash tutorial series. This explains both of the bash for loop methods, an
1is also tested if it is less than or equal to5, it returns true, and the for loop printsnumber: 1. This process repeats itself until the condition returns false and theforloop exits. #!/bin/bashmax=5printf"Print Numbers from 0 to$max\n"for((x=0;x<=max;x++));doprintf"number...
Another example for counting only even numbers: Using the for loop on the command line is also very convenient for working with files. For example, you need a backup copy of some PDF files, then the command will look like this: Or suppose you need to change the extension of some files ...
bash for loop examples To process the list of five numbers and print their values. for i in 1 2 3 4 5 do echo “Value is $i” done Value is 1 Value is 2 Value is 3 Value is 4 Value is 5 In this example: i is used as variable name, a short name for index value, most co...