Delete Files from a Zip File

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C++ Builder Libraries

Demonstrates how to delete files from a Zip archive.

// Visual C++ Example Source Code to remove (delete) a file from a Zip archive
//

#include "stdafx.h"

#include "CkZip.h"
#include "CkZipEntry.h"

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
    // Unlock the Zip product.
    // This only needs to be done once when the first CkZip object
    // is instantiated.
    CkZip zip;
    zip.UnlockComponent("unlockCode");

    // Open an existing Zip file.
    zip.OpenZip("tree.zip");
    
    // Find the "il941.pdf" entry
    CkZipEntry *entry = zip.FirstMatchingEntry("*/il941.pdf");
    if (entry)
	{
	// Remove it from the Zip object.
	zip.DeleteEntry(entry);
	delete entry;
	}

    // Update the Zip archive.
    zip.WriteZipAndClose(0);

    return 0;
}