PowerTip: Store Current Pipeline Value in Variables with PowerShell

Doctor Scripto

Summary: Use PowerShell to store current pipeline values in variables.

Hey, Scripting Guy! Question How can I use Windows PowerShell to improve my code by storing the current pipeline value into variables?

Hey, Scripting Guy! Answer Use the new PipelineVariable common parameter, for example:

Get-Counter -ListSet ‘LogicalDisk’,’SQLServer:Buffer Manager’,’SQLServer:Memory Manager’ -PipelineVariable CounterCategory | 

Select-Object -ExpandProperty Counter -PipelineVariable CounterName |

Where-Object {$CounterName -match ‘(sec/Transfer|Avg. Disk Queue Length|Buffer Cache|CheckPoint|Target Server|Total)’} | 

Select-Object   @{E={$CounterCategory.CounterSetName};N=”CounterSetName”},



Note  PipelineVariable was introduced in Windows PowerShell 4.0.


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