Ruby Requires Chilkat v11.0.0+

Unzip Some Files by Iterating over Entries

See more Zip Examples

Demonstrates how to unzip specific files by iterating over entries in a .zip. Ruby

require 'chilkat'

success = false

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

zip = Chilkat::CkZip.new()

#  Open a .zip containing:
#  
#  a1.xml
#  b1.xml
#  c1.xml
#  dir1/a2.xml
#  dir1/c2.xml
#  dir2/dir3/c3.xml

#  We wish to unzip only a1.xml, b1.xml, and c1.xml
success = zip.OpenZip("qa_data/zips/xml_files.zip")
if (success == false)
    print zip.lastErrorText() + "\n";
    exit
end

sbFilename = Chilkat::CkStringBuilder.new()

entry = Chilkat::CkZipEntry.new()
numEntries = zip.get_NumEntries()
i = 0
while i < numEntries
    zip.EntryAt(i,entry)

    entryFilePath = entry.fileName()
    print entryFilePath + "\n";

    if (entry.get_IsDirectory() == false)
        sbFilename.SetString(entryFilePath)
        if (sbFilename.Contains("/",false) == false)
            #  Does not contain "/"
            #  Unzip to the qa_output directory.
            success = entry.Extract("qa_output")
            if (success == false)
                print "Failed to unzip " + entryFilePath + "\n";
            else
                print "Unzipped " + entryFilePath + "\n";
            end

        end

    end

    i = i + 1
end