I have PS file like below.... 02/16/2013 19.06 NNA1200A...... ... 02/16/2013 19.35 NNA9000B...... ... 02/15/2013 18.15 NNA9000C...... ... 01/31/2013 18.23 NNA9000D...... ..< 01/31/2013 19.21 NNA1200F...... ..* 01/31/2013 19.04 NNA1200H...... ..% 01/31/2013 19.20 NNA9000I...... ..@ 01/31/2013...