Hi I need a way of removing rows from a txt file that are older than 30 days from today, going by the date in column 2, below is an example from my file. I have tried awk but don't have enough knowledge. I would really appreciate some help.
41982,15/07/2010,H833AB/0,JZ,288
41983,15/08/2010,H822AC/0,JZ,480
41984,15/08/2010,H825AC/0,JZ,480
41985,15/08/2010,H844AA/0,JZ,480
41986,15/08/2010,H887AB/0,JZ,200
41987,15/01/2012,K826AC/0,JZ,480
41988,15/01/2012,K971AF/0,JZ,100
41989,01/01/2012,Y985AE/0,JZ,100
41990,15/12/2011,Y943AB/0,JZ,80
41991,15/12/2011,Y973AB/0,JZ,100
41992,15/12/2011,Y957AB/0,JZ,150