(Unicode C++) Unzip Selected Files from a Zip Archive

Demonstrates how to iterate over the files contained within a .zip and unzip specific files.

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#include <CkZipW.h>
#include <CkZipEntryW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZipW zip;

    bool success = zip.OpenZip(L"my_files.zip");
    if (success != true) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    const wchar_t *unzipDir = L"/temp/unzipDir";

    int n;

    // Get the number of files and directories in the .zip
    n = zip.get_NumEntries();
    wprintf(L"%d\n",n);

    CkZipEntryW *entry = 0;

    int i;
    for (i = 0; i <= n - 1; i++) {

        entry = zip.GetEntryByIndex(i);
        if (entry->get_IsDirectory() == false) {
            // (the filename may include a path)
            wprintf(L"%s\n",entry->fileName());

            // Your application may choose to unzip this entry
            // based on the filename.
            // If the entry should be unzipped, then call Extract(unzipDir)
            success = entry->Extract(unzipDir);
            if (success != true) {
                wprintf(L"%s\n",entry->lastErrorText());
                return;
            }

        }

        delete entry;
    }
    }