PowerShell to restore *.cmp backup of SPWeb

Problem

I need to restore *.cmp file that contains SPWeb backup.

Solution

# Creating case sites and import backup files
# Created by Ben - 7 March 2019

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clear
if ((gsnp "*sharepoint*" -ErrorAction SilentlyContinue) -eq $null){asnp *sharepoint*}

$caseSiteUrlUniquePattern = 'Exporting Web http://pacman' 
$truncateStart = '.intranet'
$targetSite = 'http://pacman-test'
$importLogFilename = 'Import.txt'
$currentPs1Filename = $MyInvocation.MyCommand.Name
$currentPs1FilePath = $MyInvocation.MyCommand.Definition
$backupFolder = $currentPs1FilePath.SubString(0,$currentPs1FilePath.indexOf($currentPs1Filename))
$importLogFilePath = $backupFolder + $importLogFilename
$processedFolder = $backupFolder+'Restored\'

if(!(Test-Path $importLogFilePath)) {
    New-item -Path $backupFolder -Name $importLogFilename -ItemType 'file'
}
    
Get-ChildItem $backupFolder -Filter *.log | 
Foreach-Object {
    $cmpLogFilePath = $_.FullName
    $backupFilePath = $_.FullName.SubString(0,$_.FullName.length-4) + '.cmp'
    $cmpImportLogFilePath = $_.FullName.SubString(0,$_.FullName.length-4) + '.cmp.import.log'
    $content = Get-Content $_.FullName
    #find file content that match the specific pattern
    $content | Where-Object {$_ -match $caseSiteUrlUniquePattern} | Foreach-Object {
        #extract the case site url 
        $webUrl = $targetSite + $_.SubString($_.indexOf($truncateStart),$_.length-$_.indexOf($truncateStart)-1)
        Write-Host Creating $webUrl
        $web = New-SPWeb -Url $webUrl
        if($web){
            Add-Content -Path $importLogFilePath -Value $($(Get-Date -Format g) + ': Created ' + $web.url)
            Write-Host Importing $backupFilePath to $web.Url
            Import-SPWeb -Identity $web.Url -Path $backupFilePath -IncludeUserSecurity
            Add-Content -Path $importLogFilePath -Value $($(Get-Date -Format g) + ': Imported backup file ' + $backupFilePath + ' to ' + $web.url)
            Move-Item -Path $cmpLogFilePath -Destination $processedFolder
            Move-Item -Path $backupFilePath -Destination $processedFolder
            Move-Item -Path $cmpImportLogFilePath -Destination $processedFolder
        }
    } 
}

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Explanation

I hope it's self-explanatory. If not, please leave some comments and I'll write more about it. Thanks.