There may be a situation when you need to execute a block of code several number of times. In general, statements are executed sequentially: The first statement in a function is executed first, followed by the second, and so on.
Programming languages provide various control structures that allow for more complicated execution paths.
A loop statement allows us to execute a statement or group of statements multiple times and following is the general form of a loop statement in most of the programming languages −
PowerShell programming language provides the following types of loop to handle looping requirements. Click the following links to check their detail.
Sr.No. | Loop & Description |
---|---|
1 | for loop
Execute a sequence of statements multiple times and abbreviates the code that manages the loop variable. |
2 | forEach loop
Enhanced for loop. This is mainly used to traverse collection of elements including arrays. |
3 | while loop
Repeats a statement or group of statements while a given condition is true. It tests the condition before executing the loop body. |
4 | do...while loop
Like a while statement, except that it tests the condition at the end of the loop body. |