(Ruby) List Files in Zip using FirstEntry/NextEntry

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

require 'chilkat'

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

zip = Chilkat::CkZip.new()

success = zip.OpenZip("qa_data/zips/xml_files.zip")
if (success != true)
    print zip.lastErrorText() + "\n";
    exit
end

# entry is a CkZipEntry
entry = zip.FirstEntry()
if (zip.get_LastMethodSuccess() == false)
    print "This zip archive is empty." + "\n";
    exit
end

finished = false
while finished == false

    if (entry.get_IsDirectory() == false)
        print entry.fileName() + "\n";
    else
        print "(directory) " + entry.fileName() + "\n";
    end

    # next is a CkZipEntry
    next = entry.NextEntry()
    if (entry.get_LastMethodSuccess() == false)
        finished = true
    end

    # entry is a CkZipEntry
    entry = next
end

# Sample output showing both file and directory entries:

# a1.xml
# b1.xml
# c1.xml
# (directory) dir1/
# dir1/a2.xml
# dir1/c2.xml
# (directory) dir2/
# (directory) dir2/dir3/
# dir2/dir3/c3.xml