Tail

    public static class StreamExtensions
    {
        /// <summary>
        /// Set position to return n number of lines
        /// </summary>
        /// <param name="this"></param>
        /// <param name="n">number of lines</param>
        /// <returns>The stream with position set</returns>
        public static Stream Tail(this Stream @this, int n)
        {
            if (@this.Length == 0)
                return @this;
            @this.Seek(0, SeekOrigin.End);
            var count = 0;
            while (count <= n)
            {
                @this.Position--;
                var c = @this.ReadByte();
                @this.Position--;
                if (c == '\n')
                {
                    ++count;
                }
                if (@this.Position == 0)
                    break;

            }
            return @this;
        }
    }
Example:
var s = File.OpenFile("text.txt");
s.Tail(10);

Description

Set the stream position to the place where for example 10 lines will be returned when read to end.

Details

Double click on the code to select all.

 

;