file bookmark

t.swift

// APP

    @IBAction func opx(_ sender: Any) {
        // let openFileTypes = ["*"]
        
        let openPanel = NSOpenPanel()
        openPanel.allowsMultipleSelection = false
        openPanel.canChooseDirectories = true
        openPanel.canCreateDirectories = false
        openPanel.canChooseFiles = true
        // openPanel.allowedFileTypes = openFileTypes
        
        openPanel.directoryURL = URL(fileURLWithPath: "/Users/",isDirectory: true)
        let _ = openPanel.urls
        let _ = openPanel.runModal()
        
        if let fileurl  = openPanel.url {
            let d = try? fileurl.bookmarkData(options: .securityScopeAllowOnlyReadAccess, includingResourceValuesForKeys: nil, relativeTo: nil)
            let s = fsize(path: fileurl.path)
            print("file size:", s, fileurl.path)
            
            let userDefaults = UserDefaults(suiteName: "E78WKS7W4U.app.coressh")
            userDefaults?.set(d, forKey: "d")
            userDefaults?.synchronize()
        }
    }

    func fsize(path: String) -> UInt64 {
        var fileSize : UInt64 = 0
        
        do {
            //return [FileAttributeKey : Any]
            let attr = try FileManager.default.attributesOfItem(atPath: path)
            fileSize = attr[FileAttributeKey.size] as! UInt64
            
            //if you convert to NSDictionary, you can get file size old way as well.
            let dict = attr as NSDictionary
            fileSize = dict.fileSize()
        } catch {
            print("Error: \(error)")
        }
        return fileSize
    }


// XPC

    func fsize(path: String) -> String? {
        return try? String(contentsOfFile: path)
    }
    
    func ddd() {
        let userDefaults = UserDefaults(suiteName: "E78WKS7W4U.app.coressh")
        guard let bookmarkData = userDefaults?.object(forKey: "d") as? Data else {
            return
        }
        var isStale: Bool = false
        
        guard let fileurl = try? URL(resolvingBookmarkData: bookmarkData, bookmarkDataIsStale: &isStale) else {
            return
        }
        let s = fsize(path: fileurl!.path)
        NSLog("=========== file size: \(String(describing: s)) %@", fileurl!.path)
        let s1 = fsize(path: "/Users/huxiaomao/t2.py")
        NSLog("=========== file size: \(String(describing: s1)) %@", "/Users/huxiaomao/t2.py")
    }