DSShared.old.VarCollection.ReadLine C# (CSharp) Method

		public static string ReadLine(StreamReader sr,VarCollection vars)
		{
			string line = "";

			while(true)
			{
				do //get a good line - not a comment or empty string
				{
					if(sr.Peek()!=-1)
						line = sr.ReadLine().Trim();
					else
						return null;
				}while(line.Length==0 || line[0]=='#');

				if(line[0]=='$') //cache variable, get another line
				{
					int idx = line.IndexOf(Separator);
					string var = line.Substring(0,idx);
					string val = line.Substring(idx+1);
					vars[var]=val;
				}
				else //got a line
					break;
			}

			if(line.IndexOf("$")>0) //replace any variables the line might have
				line = vars.ParseVar(line);
			
			return line;
		}
	}