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How to get the file extension using PowerShell?
We can retrieve the file extension using multiple ways. First, using the [System.IO.Path] class.
PS C:\> [System.IO.Path]::GetExtension("C:\temp\25Aug2020.txt") .txt PS C:\> [System.IO.Path]::GetExtension("C:\temp\azcopy.zip") .zip
This is the easiest way to get the file extension. Otherways, Using programmatically,
PS C:\> ((Split-Path "C:\Temp\azcopy.zip" -Leaf).Split('.'))[1] zip PS C:\> ((Split-Path "C:\Temp\25Aug2020.txt" -Leaf).Split('.'))[1] txt
Using Get-ChildItem,
PS C:\> (Get-ChildItem C:\Temp\azcopy.zip).Extension .zip PS C:\> (Get-ChildItem C:\Temp\25Aug2020.txt).Extension .txt
Using Get-Item,
PS C:\> (Get-Item C:\Temp\azcopy.zip).Extension .zip
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