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(Swift 2) Unzip Files Matching a Pattern (such as *.xml)Example code to unzip Files Matching a Pattern (such as *.xml)
func chilkatTest() { // This example works with the .zip located at http://www.example-code.com/data/test.zip // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // First, let's download the .zip let http = CkoHttp() var success: Bool = http.Download("http://www.example-code.com/data/test.zip", saveToPath: "qa_test/test.zip") if success != true { print("\(http.LastErrorText)") return } let zip = CkoZip() success = zip.OpenZip("qa_test/test.zip") if success != true { print("\(zip.LastErrorText)") return } // Show what's in the .zip by getting the directory as XML. var zipContentsXml: String? = zip.GetDirectoryAsXML() if zip.LastMethodSuccess != true { print("\(zip.LastErrorText)") return } print("\(zipContentsXml!)") // In this case, the contents of our .zip look like this: // <?xml version="1.0" encoding="utf-8" ?> // <zip_contents> // <dir name="test"> // <dir name="abc"> // <dir name="123"> // <file>ecc_public.pem</file> // <file>starfish.jpg</file> // </dir> // <file>comodo-certificates.pem</file> // <file>pigs.xml</file> // </dir> // <file>COMODORSACertificationAuthority.crt</file> // <file>hamlet.xml</file> // </dir> // </zip_contents> // ------------------------------------------------------------------------ // If we wish to unzip only .xml files, use "*.xml" for the pattern\ // Unzip to the "qa_output" directory relative to our current working directory. // (You may unzip to an absolute path by passing an absolute path, such as "/someDir" or // "C:/someDir", etc.) // This will unzip only the .xml files. The relative directory structure within // the .zip will be created in the local filesystem under the unzip directory // path passed in the first argument, which in this case is "qa_output". var count: Int = zip.UnzipMatching("qa_output", pattern: "*.xml", verbose: true).intValue if count < 0 { print("\(zip.LastErrorText)") return } print("unzipped \(count) matching file(s).") // ------------------------------------------------------------------------ // If we wish to unzip only files under the "123" directory, we can do this: count = zip.UnzipMatching("qa_output2", pattern: "*/123/*", verbose: true).intValue if count < 0 { print("\(zip.LastErrorText)") return } print("unzipped \(count) matching file(s).") // ------------------------------------------------------------------------ // If no asterisk character is used, then the match must be exact. // For example, to unzip "test/hamlet.xml" we must pass the exact path // as it is in the .zip. We cannot just pass "hamlet.xml". count = zip.UnzipMatching("qa_output3", pattern: "test/hamlet.xml", verbose: true).intValue if count < 0 { print("\(zip.LastErrorText)") return } print("unzipped \(count) matching file(s).") // ------------------------------------------------------------------------ // If we want to unzip any file named "hamlet.xml" found in any sub-directory... count = zip.UnzipMatching("qa_output4", pattern: "*/hamlet.xml", verbose: true).intValue if count < 0 { print("\(zip.LastErrorText)") return } print("unzipped \(count) matching file(s).") } |
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