Unzip multiple files via Powershell
Simple and effective.
PARAM (
[string] $ZipFilesPath = "X:\Somepath\Full\Of\Zipfiles",
[string] $UnzipPath = "X:\Somepath\to\extract\to"
)
$Shell = New-Object -com Shell.Application
$Location = $Shell.NameSpace($UnzipPath)
$ZipFiles = Get-Childitem $ZipFilesPath -Recurse -Include *.ZIP
$progress = 1
foreach ($ZipFile in $ZipFiles) {
Write-Progress -Activity "Unzipping to $($UnzipPath)" -PercentComplete (($progress / ($ZipFiles.Count + 1)) * 100) -CurrentOperation $ZipFile.FullName -Status "File $($Progress) of $($ZipFiles.Count)"
$ZipFolder = $Shell.NameSpace($ZipFile.fullname)
$Location.Copyhere($ZipFolder.items(), 1040) # 1040 - No msgboxes to the user - http://msdn.microsoft.com/en-us/library/bb787866%28VS.85%29.aspx
$progress++
}
Btw… Watch out… there is a -Recurse on gci… 
