(MFC) Change a Filename before Unzipping

How to open a zip and modify the filename of one or more files within the zip before unzipping.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkZip.h>
#include <CkZipEntry.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkZip zip;

    bool success = zip.OpenZip("test.zip");
    if (success != true) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkZipEntry *entry = zip.GetEntryByName("hamlet.xml");
    // Assume entry is non-null.  If GetEntryByName failed
    // to find the entry, it returns a null reference.
    entry->put_FileName("hamlet2.xml");
    delete entry;

    entry = zip.GetEntryByName("helloWorld.pl");
    entry->put_FileName("hw.pl");
    delete entry;

    // Now unzip to the "test" subdirectory, under our current
    // working directory:
    int numFilesUnzipped = zip.Unzip("test");
    if (numFilesUnzipped < 0) {
        strOut.append(zip.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // The filenames within the .zip are unchanged, but it unzipped
    // test/hw.pl and test/hamlet2.xm


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }