Add File to Existing Zip

Downloads for Windows/Linux and Install Instructions

Ruby script to append an additional file to an already-existing Zip archive.

# file: AddToZip.rb

require 'rubygems'
require 'chilkat'

zip = Chilkat::CkZip.new()
zip.UnlockComponent("anything for 30-day trial")

# Open an already-existing zip
success = zip.OpenZip("exampleData.zip")
if success
	# Append an additional file to the zip.
	success = zip.AppendOneFileOrDir("blowfishCBC.rb")
	if (success) 
		# Write the zip.
		zip.WriteZip()
	else
		# Failed to append the file.
		zip.SaveLastError("appendError.txt")
	end		
else
	# Failed to open the .zip archive.
	zip.SaveLastError("openZipError.txt")
end