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Write-Output sends objects to the primary pipeline, also known as the "output stream" or the "success pipeline." To send error objects to the error pipeline, use Write-Error . This cmdlet is typically used in scripts to display strings and other objects on the console.
Create PowerShell script with Notepad To create a PowerShell script using the Notepad editor on Windows 10, use these steps: Open Start. Search for Notepad, and click the top result to open the app. Write a new or paste your script in the text file — for example: Write-Host "Congratulations!
The echo command is used to print the variables or strings on the console. The echo command has an alias named “Write-Output” in Windows PowerShell Scripting language. In PowerShell, you can use “echo” and “Write-Output,” which will provide the same output.
From the Start MenuClick Start, type PowerShell, and then click Windows PowerShell. From the Start menu, click Start, click All Programs, click Accessories, click the Windows PowerShell folder, and then click Windows PowerShell.
Default behaviour of PowerShell is just to dump everything that falls out of a pipeline without being picked up by another pipeline element or being assigned to a variable (or redirected) into Out-Host. What Out-Host does is obviously host-dependent.
Just letting things fall out of the pipeline is not a substitute for Write-Host which exists for the sole reason of outputting text in the host application.
If you want output, then use the Write-* cmdlets. If you want return values from a function, then just dump the objects there without any cmdlet.
The middle one writes to the pipeline. Write-Host and Out-Host writes to the console. 'echo' is an alias for Write-Output which writes to the pipeline as well. The best way to write to the console would be using the Write-Host cmdlet.
When an object is written to the pipeline it can be consumed by other commands in the chain. For example:
"hello world" | Do-Something
but this won't work since Write-Host writes to the console, not to the pipeline (Do-Something will not get the string):
Write-Host "hello world" | Do-Something
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