Exemplo n.º 1
0
        public SimpleTail(FileArguments[] fileList)
        {
            this.fileList = fileList;

            foreach (FileArguments fileArgs in fileList)
            {
                // Verify that the file exists, abort early if it doesn't
                if (!File.Exists(fileArgs.path))
                {
                    Console.WriteLine("No file could be found at: " + fileArgs.path);
                    continue;
                }

                // Print header with file path, if quiet mode isn't enabled.
                if(!fileArgs.quiet)
                {
                    PrintHeader(fileArgs.path);
                }

                // Print last 10 lines of file
                LinkedCharBuffer lines = ReadLastLines(LINE_COUNT, fileArgs.path);
                foreach (char c in lines)
                {
                    Console.Write(c);
                }

                // Start file watcher, if follow flag is set
                if (fileArgs.follow)
                {
                    FollowFileTimer(fileArgs.path);
                }
            }
        }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            List<FileArguments> fileList = new List<FileArguments>();
            FileArguments fileArgs = new FileArguments();

            // Collect arguments, if any
            if (args.Length > 0)
            {
                for (int i = 0; i < args.Length; i++)
                {
                    string arg = args[i];

                    // Is the argument an option or file?
                    if (arg.StartsWith("-"))
                    {
                        // OPTION:
                        switch (arg)
                        {
                            case "-f":
                                fileArgs.follow = true;
                                break;
                            case "-q":
                                fileArgs.quiet = true;
                                break;
                            default:
                                Console.WriteLine("Unsupported option '{0}'. Usage: ([-f] [-q] [FILE]) ... ", arg);
                                return;
                            // TODO: Support more options such as '-n', '--retry' and '-s'
                        }
                    }
                    else
                    {
                        // FILE:
                        fileArgs.path = arg;
                        fileList.Add(fileArgs);
                        fileArgs = new FileArguments(); // Prep a new args object for further files
                    }
                }
            }

            // If no arguments, prompt on stdout
            if (fileList.Count == 0)
            {
                fileArgs = new FileArguments();

                Console.WriteLine("Which file do you wish to print tail of?");
                fileArgs.path = Console.ReadLine();

                Console.WriteLine("Do you wish to follow the file? (y/n) (Outputs appended data as the file grows)");
                string fInput = Console.ReadLine();
                if (fInput == "y" || fInput == "yes")
                {
                    fileArgs.follow = true;
                }

                fileList.Add(fileArgs);
            }

            new SimpleTail(fileList.ToArray());

            #if DEBUG
            Console.ReadLine();
            #endif
        }