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);
}
}
}
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
}
