PowerShell Pipelines

PowerShell - Pipelines

Pipeline

• A series of commands connected by pipeline operators (|)
• Output of Preceding command becomes input of next command
• Objects are sequentially sent across pipeline, one by one

# Without Pipeline
Get-Service "Windows Update"
Stop-Service "Windows Update"

# With Pipeline
Get-Service "Windows Update"|Start-Service

# Uses of Pipeline
Get-Service | ft name -AutoSize
Get-Service | where {$_.DisplayName -like "Windows Update"}

# Use Passthru Parameter
New-Item .\test.txt
Rename-Item .\test.txt pest.txt

Rename-Item .\pest.txt test.txt | Get-Item
Rename-Item .\test.txt pest.txt -PassThru | Get-Item

# Know the type data of Output o a Command and how it is passed down the pipeline
Get-Service | Get-Member

help stop-service -Parameter *