New-ZipFromDirectory.ps1

1. <# 
2. .SYNOPSIS 
3.     Creates a new zip file from an existing folder 
4. .DESCRIPTION 
5.     This script uses the .NET 4.5 zipfile class  
6.     to create a zip file, getting contents from  
7.     a folder. 
8. .NOTES 
9.     File Name  : New-ZipfromDirectory 
10.     Author     : Thomas Lee - tfl@psp.co.uk 
11.     Requires   : PowerShell Version 3.0 and .NET 4.5 
12. .LINK 
13.     This script posted to: 
14.         http://www.pshscripts.blogspot.com 
15. .EXAMPLE 
16.     Psh> C:\foo\new-zip.ps1 
17.     Zip file created: 
18.      
19.     Directory: C:\foo 
20.          
21.     Mode                LastWriteTime     Length Name 
22.     ----                -------------     ------ ---- 
23.     -a---         2/24/2013   3:00 PM     291182 ScriptLib.ZIP 
24.  
25. #> 
26.  
27. # Load the compression namespace 
28. # and yes, I know this usage is obsolete - but it works. 
29. # Ignore the output 
30. [System.Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem') | Out-Null  
31.  
32. # Create a type accellerator for the zipfile class 
33. [System.Type] $TypeAcceleratorsType=[System.Management.Automation.PSObject].Assembly.GetType('System.Management.Automation.TypeAccelerators',$True,$True) 
34. $TypeAcceleratorsType::Add('Zipfile','System.IO.Compression.Zipfile') 
35.  
36. # Now create a zip file 
37. # Set target zip flie and source folder 
38. $Folder  = 'E:\PowerShellScriptLib' 
39. $Zipfile = 'C:\foo\ScriptLib.ZIP' 
40.  
41. # Ensure file does NOT exist and fodler DOES exist 
42. If (Test-Path $zipfile -EA -0) { 
43.    Throw "$Zipfile exists - not safe to continue"} 
44. If (!(Test-Path $folder)) { 
45.    Throw "$Folder does not seem to exist"} 
46.     
47. # Now create the Zip file 
48. Try { 
49.   [Zipfile]::CreateFromDirectory( $folder, $zipfile) 
50.   "Zip file created:";ls $zipfile} 
51. Catch { 
52.   "Zip File NOT created" 
53.   $Error[0]} 

Technorati Tags: Zip file,zip,.net 4.5,system.io.compression.filesystem