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(Unicode C++) Unzip Some Files by Iterating over EntriesDemonstrates how to unzip specific files by iterating over entries in a .zip.
#include <CkZipW.h> #include <CkStringBuilderW.h> #include <CkZipEntryW.h> void ChilkatSample(void) { // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkZipW zip; // Open a .zip containing: // // a1.xml // b1.xml // c1.xml // dir1/a2.xml // dir1/c2.xml // dir2/dir3/c3.xml // We wish to unzip only a1.xml, b1.xml, and c1.xml bool success = zip.OpenZip(L"qa_data/zips/xml_files.zip"); if (success != true) { wprintf(L"%s\n",zip.lastErrorText()); return; } CkStringBuilderW sbFilename; int numEntries = zip.get_NumEntries(); int i = 0; while (i < numEntries) { CkZipEntryW *entry = zip.GetEntryByIndex(i); const wchar_t *entryFilePath = entry->fileName(); wprintf(L"%s\n",entryFilePath); if (entry->get_IsDirectory() == false) { sbFilename.SetString(entryFilePath); if (sbFilename.Contains(L"/",false) == false) { // Does not contain "/" // Unzip to the qa_output directory. success = entry->Extract(L"qa_output"); if (success == false) { wprintf(L"Failed to unzip %s\n",entryFilePath); } else { wprintf(L"Unzipped %s\n",entryFilePath); } } } delete entry; i = i + 1; } } |
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