.filter{ $0.contains(yesterdayRegEx) } .filter{ $0.contains(botListRegEx) } Makes no difference. But now I got another idea: I removed the filter to get a clue how much time the spilt needs. It is about 50 s! Therefore the split is the major slowdown and the RegEx take just 30 s.

Good catch. Did you also change the definition of the regex to remove the Capture { } ? Nope. I did just replace "firstMatch". Now I used a plain string and it is much faster. Also I use now another split which is way faster (20 vs. 50s). So here is the code let matchedLines = fullText.split(whereSeparator: \.isNewline) .filter{ $0.contains(yesterdayRegEx) } .filter{ $0.contains(botListRegEx) } Match time: 52.7 s let matchedLines = fullText.split(whereSeparator: \.isNewline) .filter{ $0.contains("26/Apr") } .filter{ $0.contains(botListRegEx) } Match time: 21.8 s So the slow part is now the Split which take most of the time (21 s).

There was another discussion on https://forums.swift.org/t/use-regexbuilder-als-grep-replacement/65782 where I was able to get much faster code. This code does now run in 3 seconds. let paths = ["regTest/logs/access.log", "/regTest/logs/access.log.1"] var startDate = Date() let matchedLines = try await withThrowingTaskGroup(of: [String].self, body: { group in for aPath in paths { group.addTask { let lines = FileHandle(forReadingAtPath: aPath)!.bytes.lines .filter { $0.contains("26/Apr") } .filter { $0.contains("\"GET ") } .filter{ !$0.contains(botListRegEx) } var matched : [String] = [] for try await line in lines { if let m = line.firstMatch(of: ipAtStartRegEx) { let (s, _) = m.output matched.append(String(s)) } } return matched } } var matchedLines : [String] = [] for try await partialMatchedLines in group { matchedLines.append(contentsOf: partialMatchedLines) } return matchedLines }) let uniqArray = Set(matchedLines) print("Match time: \(abs(startDate.timeIntervalSinceNow)) s") print("Found \(matchedLines.count) lines.") print("Found \(uniqArray.count) IP adresses.")

I note that none of your regular expressions actually need to be regular expressions, i.e. they are just fixed text strings. For example, where you have "non.sense", I think you only want it to literally match "non.sense", not "non0sense". Yes. The first two filters are fixed strings but the last one contains a lot of different search strings. Therefore RegEx makes sense. You're right that a simple string search may be faster but since it takes now just 3 seconds I'm fine with it. Thanks for sharing your thoughts on my code.

How about using no role at all? Without a role there is no reason for the OS to rearrange the buttons. Something like .alert( "Test alert", isPresented: $isAlertPresented, actions: { Button("Default role", action: { }) Button("Cancel role", role: .none, action: { isAlertPresented = false }) }, message: { Text("Test message") }

Meanwhile I got a solution I want to share here: It seems so that the OS has some "voodoo" to protect used home directories. So a change of users home dir via dscl . -change /Users/USER NFSHomeDirectory /Users/USER /doesNotExist allows removing the HOMEDIR and re-create it from a template. Afterwards the command dscl . -change /Users/USER NFSHomeDirectory /doesNotExist /Users/USER does set the homedir back to the old value.

No idea. I've implemented a workaround by creating a PDF. This works well for me. Here is some sample code: func savePDF(docName : String?) { guard let saveURL = showSavePDFPanel(docName) else { return } var mediaBox = NSRect(origin: CGPoint(x: 0, y: 0), size: CGSize(width: 1100, height: 600)) if let dataConsumer = CGDataConsumer(url: saveURL as CFURL) { if let pdfContext = CGContext(consumer: dataConsumer, mediaBox: &mediaBox, nil) { let options: [CFString: Any] = [kCGPDFContextMediaBox: mediaBox] for sem in ItrSemester.allCases { pdfContext.beginPDFPage(options as CFDictionary) let renderer = ImageRenderer(content: MyView().environmentObject(appData)) renderer.render { size, renderFunction in pdfContext.translateBy(x: (mediaBox.width - size.width) / 2.0, y: (mediaBox.height - size.height) / 2.0) renderFunction(pdfContext) } /// Add a day header to each page with document name let titleString = "\(docName ?? "Ohne Titel")" let attrs : [NSAttributedString.Key : Any] = [.font: NSFont.boldSystemFont(ofSize: 16.0)] let day = NSAttributedString(string: titleString, attributes: attrs) let path = CGMutablePath() let strWidth = day.size().width + 1 let strHeight = day.size().height + 1 let dayXPos = 20.0 let dayYPos = mediaBox.height - strHeight - 32 path.addRect(CGRect(x: dayXPos, y: dayYPos, width: strWidth, height: strHeight)) let fSetter = CTFramesetterCreateWithAttributedString(day as CFAttributedString) let frame = CTFramesetterCreateFrame(fSetter, CFRangeMake(0, day.length), path, nil) CTFrameDraw(frame, pdfContext) pdfContext.endPDFPage() } pdfContext.closePDF() } } }

There is a problem with the SMTP-Server which must be resolved.Sorry for the noise.Unfortunately I cannot delete the post.