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(C++) Replace/Update a FIle in a .zipDemonstrates how to replace/update a file from a .zip. Note: This requires the entire .zip to be rewritten. Note: This example requires Chilkat v11.0.0 or greater.
#include <CkZip.h> #include <CkZipEntry.h> void ChilkatSample(void) { bool success = false; // 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; zip.NewZip("qa_output/abc.zip"); // Add some files.. const char *charset = "utf-8"; zip.AddString("a.txt","aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",charset); zip.AddString("b.txt","bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",charset); zip.AddString("c.txt","cccccccccccccccccccccccccccccccccccc",charset); // Write to qa_output/abc.zip // This .zip contains three files: a.txt, b.txt, and c.txt success = zip.WriteZipAndClose(); // ------------------------------------------------------------------- // Open abc.zip, replace the content of the "b.txt" entry with something else, and re-write. CkZip zip2; zip2.OpenZip("qa_output/abc.zip"); CkZipEntry entry; if (zip2.EntryOf("b.txt",entry) == true) { entry.ReplaceString("This is the new content. bbbbbbbbbbbbbbbbbbbbbb","utf-8"); } // Write the modified .zip back to "abc.zip" success = zip2.WriteZipAndClose(); std::cout << "success." << "\r\n"; } |
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