using System;
using System.Collections.Generic;
using System.IO;

public static class Glob
{
    static public string[] GetFiles(string[] patterns)
    {
        List<string> filelist = new List<string>();
        foreach (string pattern in patterns)
            filelist.AddRange(GetFiles(pattern));
        string[] files = new string[filelist.Count];
        filelist.CopyTo(files, 0);
        return files;
    }

    static public string[] GetFiles(string patternlist)
    {
        List<string> filelist = new List<string>();
        foreach (string pattern in
            patternlist.Split(Path.GetInvalidPathChars()))
        {
            string dir = Path.GetDirectoryName(pattern);
            if (String.IsNullOrEmpty(dir)) dir =
                 Directory.GetCurrentDirectory();
            filelist.AddRange(Directory.GetFiles(
                Path.GetFullPath(dir),
                Path.GetFileName(pattern)));
        }
        string[] files = new string[filelist.Count];
        filelist.CopyTo(files, 0);
        return files;
    }
}