Validating parameters in batch files

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Thus, while item 1 demonstrates defining a variable with a simple value, you can use virtually any Power Shell expression for the indicated value.

Part 2 will show further examples of variables containing collections and hash tables.

As a shell language supplanting DOS, you will likely want to execute other programs, just like Windows batch files.

The fundamental rule of passing multiple parameters is simply this: use spaces not commas.

The entries below illustrate all the scenarios you would likely need.

If you invoke, for example, Get-Process, you get a table where each row contains the properties of a returned process.

Get-Process by default outputs 8 properties (Handles, Name, etc.).

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