(Swift 3,4,5...) Unzip all Files to a Single Directory (Ignoring Subdirectories in Zip)

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Demonstrates how to unzip all files into a single directory, ignoring the internal directory structure of the files in the .zip.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var outDir: String? = "c:/temp/testUnzipDir"

    // Make sure our output directory exists.
    let fac = CkoFileAccess()!
    var success: Bool = fac.dirEnsureExists(outDir)
    if success == false {
        print("\(fac.lastErrorText!)")
        return
    }

    let zip = CkoZip()!

    // In this example, the xml_files.zip contains some files in the subdirectories "dir1" and also "dir2/dir3".

    // a1.xml
    // b1.xml
    // c1.xml
    // dir1/a2.xml
    // dir1/c2.xml
    // dir2/dir3/c3.xml

    success = zip.open("qa_data/zips/xml_files.zip")
    if success != true {
        print("\(zip.lastErrorText!)")
        return
    }

    // Unzip all files into the directory c:/temp/testUnzipDir
    var numUnzipped: Int = zip.unzip(into: outDir).intValue
    if numUnzipped < 0 {
        print("\(zip.lastErrorText!)")
        return
    }

    print("Num unzipped = \(numUnzipped)")

    // After unzipping via UnzipInto, we have this:

    // c:\temp\testUnzipDir\a1.xml
    // c:\temp\testUnzipDir\b1.xml
    // c:\temp\testUnzipDir\c1.xml
    // c:\temp\testUnzipDir\a2.xml
    // c:\temp\testUnzipDir\c2.xml
    // c:\temp\testUnzipDir\c3.xml

    zip.close()

    print("Success.")

}