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Cozumpark Bilisim Portali
Compressing Files as Zip on Windows Server 2016 via PowerShell
Posted in Windows Powershell | No Comment | 1,767 views | 23/04/2015 16:34

** This is alternative custom script to Compress-Archive for wide range compatibility **

I’ve recently installed Windows Server 2016 as Core installation. Due to there is no shell, my old PowerShell script didn’t work:

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$ShellApplication = New-Object -com Shell.Application
$ZipPackage = $ShellApplication.NameSpace($ZipPath)
 
foreach($File in $input) 
{ 
	$ZipPackage.CopyHere($File.FullName)
	Start-Sleep -milliseconds 5
}

As you see, I’ve used Shell Application before. But now, I’m not able to run that on Server 2016 Core.

So I searched on internet about it and found MVP Jeffrey Hick‘s post:

I used that codes and made a zip function:

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function ConvertTo-CompressedFile
{
	param([string]$ZipPath)
 
	# Get Files
	[string[]]$Files = $input.FullName;
 
	if ($Files -ne $Null)
	{
		# Load the assembly
		[System.Reflection.Assembly]::LoadWithPartialName("System.IO.Compression.FileSystem") | Out-Null
 
		# Check Zip Extension
		if ($ZipPath -notlike "*.zip")
		{
			Write-Output "Please check your zip file path."
			break;
		}
 
		# Check Zip Path
		if(-not (Test-Path($ZipPath)))
		{
			# Get Zip File Name
			$ZipName = $ZipPath.Split("\")[-1]
 
			if ($ZipPath -notlike "*\*")
			{						
				# Get Current Location
				$CurrentLocation = (Get-Location).Path
 
				# Get Current Zip File Path
				$CurrentZipPath = $CurrentLocation + "\" + $ZipName
 
				# Update Zip Path
				$ZipPath = $CurrentZipPath;
			}
 
			# Create Zip File
			Set-Content $ZipPath ("PK" + [char]5 + [char]6 + ("$([char]0)" * 18))
 
			# Set File Attributes
			(Get-ChildItem $ZipPath).IsReadOnly = $false
		}
 
		# Get Zip File
		$ZipFile = [System.IO.Compression.ZipFile]::Open($ZipPath,"Update")
 
		foreach($File in $Files)
		{
			# Get File Name
			$FileName = $File.Split("\")[-1]
 
			# Compress File
			[System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile($ZipFile,$File,$FileName,"optimal") | Out-Null
 
			# Buffer
			Start-Sleep -milliseconds 5
		}
 
		# Close Zip File
		$ZipFile.Dispose()
 
		# Output Zip Path
		$ZipPath
	}
}

So you can easily compress any file on Windows Server 2016.

Usage:

Get-ChildItem MyFile.txt | ConvertTo-CompressedFile C:\MyFile.zip

Also it works for current directories:

Get-ChildItem MyFile.txt | ConvertTo-CompressedFile MyFile.zip

If zip file is not exist, that will be created by this script.

Note: This script requires .Net 4.5 Core installed on Windows Server 2016.



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