Public/Compare-IntuneBackupDirectories.ps1
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function Compare-IntuneBackupDirectories() { <# .SYNOPSIS Compare two Intune Backup Directories for changes in each of their JSON backup files. .DESCRIPTION Compare two Intune Backup Directories for changes. .PARAMETER $ReferenceDirectory Any Intune Backup Directory. .PARAMETER $DifferenceDirectory Latest Intune Backup directory .EXAMPLE - Show verbose output Compare-IntuneBackupDirectories -Verbose -ReferenceDirectory C:\Users\BradleyWyatt\AppData\Local\Temp\IntuneBackup -DifferenceDirectory C:\Users\BradleyWyatt\AppData\Local\Temp\IntuneNewBackup Compare-IntuneBackupDirectories -ReferenceDirectory C:\Users\BradleyWyatt\AppData\Local\Temp\IntuneBackup -DifferenceDirectory C:\Users\BradleyWyatt\AppData\Local\Temp\IntuneNewBackup .NOTES Requires the IntuneBackupAndRestore Module .AUTHOR Bradley Wyatt - The Lazy Administrator #> param ( [parameter(Mandatory = $true, Position = 0)] [String]$ReferenceDirectory, [parameter(Mandatory = $true, Position = 1)] [String]$DifferenceDirectory ) begin { $referenceFiles = Get-ChildItem $ReferenceDirectory -Recurse | Where-Object { $_.Name -like "*.json*" } | Select-Object -ExpandProperty VersionInfo $differenceFiles = Get-ChildItem $DifferenceDirectory -Recurse | Where-Object { $_.Name -like "*.json*" } | Select-Object @{ Label = "FileName"; Expression = { (($_.VersionInfo).FileName).split("\") | Select-Object -Last 1 } }, @{ Label = "FullPath"; Expression = { (($_.VersionInfo).FileName) } } } process { foreach ($file in $referenceFiles) { $referenceJSONFile = ($file.Filename).split("\") | Select-Object -last 1 Write-Verbose "The reference file is '$referenceJSONFile'" Write-Verbose "The reference file path is $($file.FileName)" $difFileFound = $differenceFiles | Where-Object { $_.FileName -eq $referenceJSONFile } if (($difFileFound.FileName).count -gt 1) { $referenceJSONFile = (($file.Filename).split("\") | Select-Object -last 2) -join "\" $referenceJSONFileParent = ($file.FileName).split("\") | Select-Object -Last 2 $referenceJSONFileParentPath = $referenceJSONFileParent -join "\" Write-Verbose "Multiple difference files found that were matching the reference file" $difFileFound = $differenceFiles | Where-Object { $_.FullPath -like "*$referenceJSONFileParentPath*" } if (($difFileFound.FileName).count -gt 1) { # path wasn't precise enough to uniquely identify the correct difference file # try to use last three parts of the file path instead of two $referenceJSONFileParent = ($file.FileName).split("\") | Select-Object -Last 3 $referenceJSONFileParentPath = $referenceJSONFileParent -join "\" Write-Verbose "Multiple difference files found again that were matching the reference file" $difFileFound = $differenceFiles | Where-Object { $_.FullPath -like "*$referenceJSONFileParentPath*" } if (($difFileFound.FileName).count -gt 1) { Write-Warning "Unable to uniquely identify difference file. Skipping $referenceJSONFile" continue } } } Write-Verbose "The difference file is located at $($difFileFound.fullpath)" Write-Verbose "Checking for changes in the file '$referenceJSONFile'" $changes = Compare-IntuneBackupFile -ReferenceFilePath $file.FileName -DifferenceFilePath $difFileFound.FullPath -ErrorAction "Continue" if ($changes) { Write-Output "There was a change in the file, '$referenceJSONFile' which is located at $($difFileFound.fullpath)" $changes | Format-Table -AutoSize } } # search for new settings that doesn't exist in first backup foreach ($file in $differenceFiles) { $differenceJSONFile = $file.Filename Write-Verbose "The difference file is '$differenceJSONFile'" Write-Verbose "The difference file path is $($file.FullPath)" $difFileFound = $referenceFiles | Where-Object { (($_.FileName).split("\") | Select-Object -Last 1) -eq $differenceJSONFile } if (($difFileFound.FileName).count -gt 1) { $differenceJSONFileParent = ($file.FullPath).split("\") | Select-Object -Last 2 $differenceJSONFileParentPath = $differenceJSONFileParent -join "\" Write-Verbose "Multiple reference files found that were matching the difference file" $difFileFound = $referenceFiles | Where-Object { $_.FileName -like "*$differenceJSONFileParentPath*" } if (($difFileFound.FileName).count -gt 1) { # filter wasn't precise enough to uniquely identify the correct difference file # try to use last three parts of the file path instead of two $differenceJSONFileParent = ($file.FullPath).split("\") | Select-Object -Last 3 $differenceJSONFileParentPath = $differenceJSONFileParent -join "\" Write-Verbose "Multiple reference files found again that were matching the difference file" $difFileFound = $referenceFiles | Where-Object { $_.FileName -like "*$differenceJSONFileParentPath*" } if (($difFileFound.FileName).count -gt 1) { Write-Warning "Unable to uniquely identify difference file. Skipping $differenceJSONFile" continue } } } if (!$difFileFound) { Write-Output "There is a new file. '$differenceJSONFile' which is located at $($file.FullPath)" } } } } |