a simple pattern matching quesn

[PRADEEP GOEL]

i have a file(say f1) containing patch names pach_2377 pach_2676 pach_3897 I want to check if there are(is)  patch _id(s)  which r greater than given patch_id (say  :  pach_2579)  pls tell me how to do that in perl i.e.  while (<f1>) {  $ch = $_;  if ($given_patchid  gt $ch )    ###### pls tell me how to exactly do it <  do some action> } ###  should i extract last digits - then to extract them ?   u can also write me how to sort & store the result in a file ____________________________________________________   IncrediMail - Email has finally evolved - Click Here