(PowerShell) Download a Zip from a URL and OpenBd. (No .zip file is created)

Demonstrates how to download a .zip from a URL, opens the Zip, and gets the contents of a file. No file is ever written.

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$http = New-Object Chilkat.Http

$bd = New-Object Chilkat.BinData

# This URL is valid and can be tested...
$success = $http.QuickGetBd("http://chilkatdownload.com/example_data/hamlet.zip",$bd)
if ($http.LastMethodSuccess -ne $true) {
    $($http.LastErrorText)
    exit
}

$zip = New-Object Chilkat.Zip

# Open the zip from the bytes contained in bd.
$success = $zip.OpenBd($bd)
if ($success -eq $false) {
    $($zip.LastErrorText)
    exit
}

# Get the entry for the file we want..
$entry = $zip.GetEntryByName("hamlet.xml")
if ($zip.LastMethodSuccess -ne $true) {
    $($zip.LastErrorText)
    exit
}

# Convert all line endings to CRLF (if needed)
$lineEndingBehavior = 2
$xmlStr = $entry.UnzipToString($lineEndingBehavior,"utf-8")
if ($entry.LastMethodSuccess -ne $true) {
    $($entry.LastErrorText)

    exit
}

# The XML in this case is about 274K, so let's just examine the last 20 lines...
$sb = New-Object Chilkat.StringBuilder
$sb.Append($xmlStr)

$($sb.LastNLines(20,$true))