(C++) Remove a File from a .zip

Demonstrates how to remove a file from a .zip.

Chilkat C/C++ Library Downloads
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#include <CkZip.h>
#include <CkZipEntry.h>

void ChilkatSample(void)
    {
    // 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..
    CkZip zip;

    bool success;
    zip.NewZip("qa_output/abc.zip");

    // Add some files..
    CkZipEntry *entry = zip.AppendString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
    delete entry;
    entry = zip.AppendString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
    delete entry;
    entry = zip.AppendString("c.txt","cccccccccccccccccccccccccccccccccccc");
    delete entry;

    // 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.
    CkZip zip2;
    zip2.OpenZip("qa_output/abc.zip");

    entry = zip2.GetEntryByName("b.txt");
    zip2.DeleteEntry(*entry);
    delete 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();

    std::cout << "success." << "\r\n";
    }