PowerShell script to unrar multiple archives recursively from all subdirectorys in a specified path.
WinRar needs to be installed on your system
Unrar contents of X:\Film\HD\GreatMovie to C:\Unrar:
.\PS_Unrar.ps1 -SourcePath "X:\Film\HD\GreatMovie" -DestinationPath "C:\Unrar"
Unrar contents of X:\Film\HD to C:\Unrar, but only the folders that starts with the letter "S":
.\PS_Unrar.ps1 -SourcePath "X:\Film\HD" -DestinationPath "C:\Unrar" -Filter "S*"