(Ruby) Remove a File from a .zip

Demonstrates how to remove a file from a .zip.

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

require 'chilkat'

# 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 = Chilkat::CkZip.new()

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

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

# entry is a CkZipEntry
entry = zip.AppendString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb")

# entry is a CkZipEntry
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 = Chilkat::CkZip.new()
zip2.OpenZip("qa_output/abc.zip")

# entry is a CkZipEntry
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.put_FileName("qa_output/ac.zip")
success = zip2.WriteZipAndClose()

print "success." + "\n";