Comparing two text files and not keeping unique values | Operating systems, scripting, PowerShell and security

PowerShell, Sistema de archivos

Compare-Object (get-content .\prueba1.txt) (get-content .\prueba2.txt) | where {$_.SideIndicator -eq "<=" -or $_.SideIndicator -eq "=>"}

1	Compare-Object (get-content .\prueba1.txt) (get-content .\prueba2.txt) \| where {$_.SideIndicator -eq "<=" -or $_.SideIndicator -eq "=>"}

Comparing two text files and not keeping unique values (Sistema de archivos, PowerShell)