For Statement: The Second Form of For

The second form of for

The second form of the for statement allows us to apply an arithmetic expression as a condition. Let’s consider cases when we need the second form.

Let’s suppose that we write a script for calculating a factorial. The solution for this task depends on the way we enter the data. The first option is that we have a predefined integer. Then, we can apply the first form of the for loop. The for-factorial-brace.sh shows this solution.

Let’s click on the “Run” button and then execute the file. If we made any changes in the file, click on the “Run” button again before executing the file.