compare 2 directories using powershell
$fso_A = Get-ChildItem -Recurse -Path 'd:\Folder_To\Copy'
$fso_B = Get-ChildItem -Recurse -Path 'e:\Folder_To\Copy'
cd C:\Users\[USER_NAME]\Desktop\
Compare-Object -ReferenceObject $fso_A -DifferenceObject $fso_B >> Directory_Comparison_Diff.txt
REM do a comparison and output directory location
Compare-Object -ReferenceObject $fso_A -DifferenceObject $fso_B -PassThru | % {$_.FullName} >> Directory_Comparison-Full_Path.txt