Swift

Unzip Encrypted Text into a String Variable

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Demonstrates how to open an encrypted .zip archive and unzip a text file directly into a string variable. Swift

func chilkatTest() {
    var success: Bool = false

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

    let zip = CkoZip()!

    // Set the password required for decrypting.
    zip.decryptPassword = "myPassword"

    success = zip.open(zipPath: "encrypted.zip")
    if success == false {
        print("\(zip.lastErrorText!)")
        return
    }

    // Locate the file within the Zip to be unzipped into a string variable:
    let entry = CkoZipEntry()!
    success = zip.entry(matching: "*.csv", entry: entry)
    if success == false {
        print("\(zip.lastErrorText!)")
        return
    }

    // lineEndingBehavior:
    // 0 = leave unchanged.
    // 1 = convert all to bare LF's
    // 2 = convert all to CRLF's
    var lineEndingBehavior: Int = 0
    var srcCharset: String? = "utf-8"

    var strCsv: String? = entry.unzip(toString: lineEndingBehavior, srcCharset: srcCharset)
    print("\(strCsv!)")

}