(PowerShell) Remove a File from a .zip

Demonstrates how to remove a file from a .zip.

Chilkat .NET Downloads Chilkat .NET Assemblies

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

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

# First prepare a .zip and write it..
$zip = New-Object Chilkat.Zip

$zip.NewZip("qa_output/abc.zip")

# Add some files..
$entry = $zip.AppendString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")

$entry = $zip.AppendString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")

$entry = $zip.AppendString("c.txt","cccccccccccccccccccccccccccccccccccc")

# Write to qa_output/abc.zip
# This .zip contains three files: a.txt, b.txt, and c.txt
$success = $zip.WriteZipAndClose()

# -------------------------------------------------------------------
# Open abc.zip, remove an entry, and re-write.
$zip2 = New-Object Chilkat.Zip
$zip2.OpenZip("qa_output/abc.zip")

$entry = $zip2.GetEntryByName("b.txt")
$zip2.DeleteEntry($entry)

# Write the modified .zip back to "abc.zip"
$success = $zip2.WriteZip()

# To write to a different filename, change the FileName..
$zip2.FileName = "qa_output/ac.zip"
$success = $zip2.WriteZipAndClose()

$("success.")