(Ruby) Iterate over Matching Filenames

Iterates over files within a .zip that match a pattern. In this case, the pattern is "*.pem". This example will open a .zip containing files of type .txt, .cer, .pem, and possibly others, and will iterate over only the .pem files.

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.

zip = Chilkat::CkZip.new()

# Open a .zip containing PEM files, among other things..
success = zip.OpenZip("qa_data/certs/thawte-roots.zip")
if (success != true)
    print zip.lastErrorText() + "\n";
    exit
end

# entry is a CkZipEntry
entry = zip.FirstMatchingEntry("*.pem")
if (zip.get_LastMethodSuccess() != true)
    print "No PEM entries found." + "\n";
    exit
end

bContinue = true
while (bContinue == true)

    print "Entry: " + entry.fileName() + "\n";

    # Get the uncommpressed contents of the entry:
    pemStr = entry.unzipToString(0,"utf-8")
    print pemStr + "\n";

    # nextEntry is a CkZipEntry
    nextEntry = entry.NextMatchingEntry("*.pem")
    bContinue = entry.get_LastMethodSuccess()

    # entry is a CkZipEntry
    entry = nextEntry
end