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Following is an example to assign a single element of the array: The above statement assigns element number 5th in the array with a value of 50.0. All arrays have 0 as the index of their first element which is also called base index and last index of an array will be total size of the array minus 1. Following is the pictorial representation of the same array we discussed above:
1 Use the for statement with the index number. 2  Each item (or element) in an array can be referenced by number, starting with 0. 3  For example, $list[0] refers to the first item in the array, $list[1] refers to the second item, and so forth. Use the ForEach-Object cmdlet. 2  The ForEach-Object cmdlet takes an array as input from the pipeline and passes each item in the array to a script block for processing. 3  The current item in the array is represented by the special $_ variable.