(Ruby) 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 Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

crypt = Chilkat::CkCrypt2.new()
zip = Chilkat::CkZip.new()

success = zip.NewZip("test.zip")
if (success != true)
    print zip.lastErrorText() + "\n";
    exit
end

# Add the bytes 0x00 0x01 0x02 0x03 ... 0x0F as a file in the .zip
binFileData = Chilkat::CkByteData.new()
success = crypt.Decode("000102030405060708090A0B0C0D0E0F","hex",binFileData)
# entry is a CkZipEntry
entry = zip.AppendData("binaryData.dat",binFileData)

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

zipFileInMemory = Chilkat::CkByteData.new()
success = zip.WriteToMemory(zipFileInMemory)

# We could save these files to a file, and it is a valid .zip
fac = Chilkat::CkFileAccess.new()
success = fac.WriteEntireFile("test.zip",zipFileInMemory)
if (success != true)
    print fac.lastErrorText() + "\n";
    exit
end

print "Zip Created!" + "\n";