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C++

Change a Filename before Unzipping

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

Chilkat C++ Downloads

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

void ChilkatSample(void)
    {
    bool success = false;

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

    CkZip zip;

    success = zip.OpenZip("test.zip");
    if (success == false) {
        std::cout << zip.lastErrorText() << "\r\n";
        return;
    }

    CkZipEntry entry;

    success = zip.EntryOf("hamlet.xml",entry);
    if (success == false) {
        std::cout << zip.lastErrorText() << "\r\n";
        return;
    }

    entry.put_FileName("hamlet2.xml");

    success = zip.EntryOf("helloWorld.pl",entry);
    if (success == false) {
        std::cout << zip.lastErrorText() << "\r\n";
        return;
    }

    entry.put_FileName("hw.pl");

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

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