Test Powershell

Function Get-FileName($initialDirectory)
{    
 [System.Reflection.Assembly]::LoadWithPartialName("System.windows.forms") | Out-Null

 $OpenFileDialog = New-Object System.Windows.Forms.OpenFileDialog
 $OpenFileDialog.initialDirectory = $initialDirectory
 $OpenFileDialog.filter = "All bz2 files (*.bz2)| *.bz2"
 $OpenFileDialog.ShowDialog() | Out-Null
 $OpenFileDialog.filename
} #end function Get-FileName

# *** Script MAIN ***

Write-Host  -BackgroundColor green "rebuilding MLEB bz2 to gz\n"
Write-Host

$Pathscript = $PSScriptRoot
$Pathbz2    = Split-Path -Parent $Pathscript

Write-Host "scriptPath: $Pathscript " 
Write-Host "bz2Path: $Pathbz2 "
Write-Host

$filename = Get-FileName -initialDirectory "$Pathbz2"

if (-not $filename) {
    #Write-Error "Cancel?!"
    Write-Host "no file: canceled  ?"
} else {
    Write-Host "converting $filename to a gz file" 
    #-split "red yellow blue green"
    Write-Host "filename: $filename"
    #$filename.Split("-")[2] -Split(".tar.bz2")
    #$filename.Split("-").Split(".tar.bz2")

    $fdate = $filename.Split("-").Split(".tar.bz2")
    $fdate = $fdate[1] 
    #Write-Host "Date is" $fdate 

    Write-Host "creating temp directory"
    New-Item      -Path $Pathbz2\temp -ItemType directory -Force  
    Remove-Item         $Pathbz2\temp\* -Recurse -Force  
    Set-Location  -Path $Pathbz2\temp
    # ls
    Get-Childitem -Path $Pathbz2\temp
    Write-Host "unpacking $filename" tar -xvf 
    tar -xf  $filename
    Write-Host "packing MLEB-$fdate.tar.gz" 
    tar -czf MLEB-$fdate.tar.gz INSTALL.MediaWikiLanguageExtensionBundle -C extensions *

    Copy-Item "MLEB-$fdate.tar.gz" -Destination "$Pathbz2"

    #transfer file
    
}
#Write-Host "Write-Host"
#Write-Error "Write-Error" -Category PermissionDenied
#Write-Progress  -Activity "Search in Progress" -Status "10% Complete:"
#Write-Progress  -Activity "Search in Progress" -Status "20% Complete:"

Read-Host "hit enter to continue"