Find-MissingFiles.ps1
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Script
<#Find-Missingfiles.ps1
#File/folder comparison tool to check a source and destination for missing files/folders
#Reports missing source files, ignores extra files on the destination
.EXAMPLE
Find-MissingFiles.ps1 | Out-File MissingSource.txt
#>
$SourcePath = '\\SERVERNAME\TVShows\Filed'
$DestPath = '\\DOMAINCONTROLLERNAME\d$\TVSeries'
#Equivalent cmd for 'dir /b /s'
$Source = (Get-ChildItem $SourcePath -Recurse).FullName
$Dest = (Get-ChildItem $DestPath -Recurse).FullName
#1/-1 - Different, 0 - Same
$Source[1].CompareTo($Dest[1])
$Source[1].CompareTo($Source[1])
#Cleanup to make the paths appear same
#Basically removing the uncommon source and destination paths portion
for ($i = 0; $i -lt $Source.Count; $i++) {
$Source[$i] = $Source[$i].Replace($SourcePath, "")
}
for ($i = 0; $i -lt $Dest.Count; $i++) {
$Dest[$i] = $Dest[$i].Replace($DestPath, "")
}
#Loop the Source files
foreach ($fileS in $Source) {
#Counter for match
$Found = $false
#Loop destination files to Compare with each source
foreach ($fileD in $Dest) {
#Check Exact Match
if ($fileD.CompareTo($fileS) -eq 0)
{ $Found = $true }
}
#Writeout missing files
if (-not $Found)
{ "$SourcePath$fileS" }
}
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