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(Swift) Download a Zip from a URL and OpenBd. (No .zip file is created)Demonstrates how to download a .zip from a URL, opens the Zip, and gets the contents of a file. No file is ever written.
func chilkatTest() { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let http = CkoHttp()! let bd = CkoBinData()! // This URL is valid and can be tested... var success: Bool = http.quickGetBd("http://chilkatdownload.com/example_data/hamlet.zip", binData: bd) if http.lastMethodSuccess != true { print("\(http.lastErrorText!)") return } let zip = CkoZip()! // Open the zip from the bytes contained in bd. success = zip.openBd(bd) if success == false { print("\(zip.lastErrorText!)") return } // Get the entry for the file we want.. var entry: CkoZipEntry? = zip.getEntryByName("hamlet.xml") if zip.lastMethodSuccess != true { print("\(zip.lastErrorText!)") return } // Convert all line endings to CRLF (if needed) var lineEndingBehavior: Int = 2 var xmlStr: String? = entry!.unzip(toString: lineEndingBehavior, srcCharset: "utf-8") if entry!.lastMethodSuccess != true { print("\(entry!.lastErrorText!)") entry = nil return } // The XML in this case is about 274K, so let's just examine the last 20 lines... let sb = CkoStringBuilder()! sb.append(xmlStr) print("\(sb.lastNLines(20, bCrlf: true)!)") entry = nil } |
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