$A = Get-ChildItem -Recurse -path "C:reposDevProjectsBatCurrentVersionRepoCloneTemp" -filter "*.config"

$B = Get-ChildItem -Recurse -path "C:reposDevProjectsBatUpgradeVersionRepoCloneTemp" -filter "*.config"

$C = Compare-Object $A $B -Property ('Name', 'Length') -PassThru | Where-Object {$_.FullName -eq $_.FullName} | ForEach-Object
{
    Compare-Object (Get-Content FileA)(Get-Content FileB) #I know this doesn't work
}$C

$md5 = new-object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$hash = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($file)))

$A = Get-ChildItem -Recurse -path "C:reposDevProjectsBatCurrentVersionRepoCloneTemp" -filter "*.config"
$B = Get-ChildItem -Recurse -path "C:reposDevProjectsBatUpgradeVersionRepoCloneTemp" -filter "*.config"
$A | %{$_ | Add-Member "MD5" ([System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($_))))}
$B | %{$_ | Add-Member "MD5" ([System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($_))))}

$C = Compare-Object $A $B -Property ('Name', 'MD5') - Passthrough | Group Directory

$Output = @()
ForEach($File in $C[1].Group){
    $OldData = GC $File
    $C[0].Group | ?{$_.Name -eq $File.Name} | %{
        $NewData = GC $_
        $UpdatedLines = $NewData | ?{$OldData -inotcontains $_}
        $OldLines = $OldData | ?{$NewData -inotcontains $_}
        $Output += New-Object PSObject -Property @{
            UpdatedFile=$_.FullName
            OriginalFile=$File.FullName
            Changes=$UpdatedLines
            Removed=$OldLines
        }
    }
}

Get-Date | Out-File "C:reposDevProjectsBatUpgradeVersionRepoCloneTempChangeLog.txt"
$Output|%{$_|FT OriginalFile,UpdatedFile; "New/Changed Lines"; "-----------------"; $_.Changes; " "; "Old/Removed Lines"; "-----------------"; $_.Removed} | Out-File "C:reposDevProjectsBatUpgradeVersionRepoCloneTempChangeLog.txt" -Append