(PowerShell) Unzip Encrypted Text into a String Variable

Demonstrates how to open an encrypted .zip archive and unzip a text file directly into a string variable.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat .NET Downloads Chilkat .NET Assemblies

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

$success = $false

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

$zip = New-Object Chilkat.Zip

# Set the password required for decrypting.
$zip.DecryptPassword = "myPassword"

$success = $zip.OpenZip("encrypted.zip")
if ($success -eq $false) {
    $($zip.LastErrorText)
    exit
}

# Locate the file within the Zip to be unzipped into a string variable:
$entry = New-Object Chilkat.ZipEntry
$success = $zip.EntryMatching("*.csv",$entry)
if ($success -eq $false) {
    $($zip.LastErrorText)
    exit
}

# lineEndingBehavior:
# 0 = leave unchanged.
# 1 = convert all to bare LF's
# 2 = convert all to CRLF's
$lineEndingBehavior = 0
$srcCharset = "utf-8"

$strCsv = $entry.UnzipToString($lineEndingBehavior,$srcCharset)
$($strCsv)