WintellectPowerShell

3.3.2.0

Code/Expand-ZipFile.ps1

                                #requires -version 2.0

###############################################################################

# WintellectPowerShell Module

# Copyright (c) 2010-2014 - John Robbins/Wintellect

# 

# Do whatever you want with this module, but please do give credit.

###############################################################################

# Always make sure all variables are defined and all best practices are 

# followed.

Set-StrictMode -version Latest

###############################################################################

# Public Cmdlets

###############################################################################

function Expand-ZipFile

{

<#

.SYNOPSIS

Expands a .ZIP file to the specified directory.

.DESCRIPTION

Using no external ZIP utilities, expands a .ZIP file to a specified directory.

.PARAMETER ZipFile

The .ZIP file to expand.

.PARAMETER Destination

The output directory for the ZipFile. If this directory does not exist, it will

be created.

.LINK

http://www.wintellect.com/blogs/jrobbins

https://github.com/Wintellect/WintellectPowerShell

#>

    param ( 

        [Parameter(Mandatory=$true,

                   HelpMessage="Please specify the zip file to expand")]

        [string] $ZipFile ,

        [Parameter(Mandatory=$true,

                   HelpMessage="Please specify the directory to expand into")]

        [string] $Destination

    ) 

    # Basic idea found here 

    # http://ochoco.blogspot.com/2009/04/quick-bytes-unzipping-zip-file-using.html.

    # Tweaked to be more usable.

    if (! (Test-Path -Path  $ZipFile))

    {

        throw "The zip file must exist."

    }

    New-Item  -Path $Destination -ItemType Directory -ErrorAction SilentlyContinue > $null

    # It's important you get the full path for everything or the shell application

    # doesn't like you.

    $Destination = Resolve-Path -Path $Destination 

    $ZipFile = Resolve-Path -Path $ZipFile

    $shellApplication = New-Object -ComObject shell.application 

    $zipPackage = $shellApplication.NameSpace($ZipFile) 

    $destinationFolder = $shellApplication.NameSpace($Destination) 

    # The first parameter to CopyHere are all the files, the second parameter

    # of 20 says to turn off the default UI of the progress dialog and say 

    # yes to all dialog boxes.

    # All the codes can be found here:

    # http://social.technet.microsoft.com/Forums/en-US/winserverpowershell/thread/b77840b8-459d-4509-8cc8-8fc7f6603e86

    $destinationFolder.CopyHere($zipPackage.Items(),20) 

}

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# SIG # End signature block