(PowerShell) Create a Zip Entirely in Memory

Demonstrates how to create a .zip from in-memory byte data and strings, and to write the .zip to an in-memory image.

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.

$crypt = New-Object Chilkat.Crypt2
$zip = New-Object Chilkat.Zip

$success = $zip.NewZip("test.zip")
if ($success -ne $true) {
    $($zip.LastErrorText)
    exit
}

# Add the bytes 0x00 0x01 0x02 0x03 ... 0x0F as a file in the .zip

$binFileData = $crypt.Decode("000102030405060708090A0B0C0D0E0F","hex")
$entry = $zip.AppendData("binaryData.dat",$binFileData)

# Add the string "Hello World!" to the .zip
$entry = $zip.AppendString2("helloWorld.txt","Hello World!","utf-8")

$zipFileInMemory = $zip.WriteToMemory()

# We could save these files to a file, and it is a valid .zip
$fac = New-Object Chilkat.FileAccess
$success = $fac.WriteEntireFile("test.zip",$zipFileInMemory)
if ($success -ne $true) {
    $($fac.LastErrorText)
    exit
}

$("Zip Created!")