It is not uncommon to see an optional positional parameter as the first parameter:
SYNTAX
Get-Process [[-Name] <String[]>] ...
In this example, we may use either of the following:
Get-Process -Name powershell Get-Process powershell
Optional positional parameters
by Brenton J.W. Blawat, Chris Dent
Mastering Windows PowerShell Scripting - Second Edition
- Preface
- Introduction to PowerShell
- Working with PowerShell
- Modules and Snap-Ins
- Working with Objects in PowerShell
- Operators
- Variables, Arrays, and Hashtables
- Naming and creating variables
- Variable commands
- Variable scope
- Type and type conversion
- Objects assigned to variables
- Arrays
- Hashtables
- Lists, dictionaries, queues, and stacks
- Summary
- Branching and Looping
- Working with .NET
- Data Parsing and Manipulation
- Regular Expressions
- Files, Folders, and the Registry
- Windows Management Instrumentation
- HTML, XML, and JSON
- Working with REST and SOAP
- Remoting and Remote Management
- Testing
- Error Handling
Optional positional parameters
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