(Objective-C) Unzip a .zip Archive

Demonstrates how to open a .zip archive and unzip. The Unzip method extracts the files and directories from a .zip archive and recreates the directory tree rooted at the directory path passed to Unzip.

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#import <CkoZip.h>

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

CkoZip *zip = [[CkoZip alloc] init];

BOOL success = [zip OpenZip: @"my_files.zip"];
if (success != YES) {
    NSLog(@"%@",zip.LastErrorText);
    return;
}

int unzipCount;

// Returns the number of files and directories unzipped.
// Unzips to /my_files, re-creating the directory tree
// from the .zip.
unzipCount = [[zip Unzip: @"/my_files"] intValue];
if (unzipCount < 0) {
    NSLog(@"%@",zip.LastErrorText);
}
else {
    NSLog(@"%@",@"Success!");
}