On Sep 3, 6:57 am, "Francesco Pietra" <[EMAIL PROTECTED]> wrote: > Hi; > > I would like to renumber, starting from 1, column 6 (i.e, 428 become > 1, 429 becomes 2, etc for a very long list) > > ATOM 3424 N LEU B 428 143.814 87.271 77.726 1.00115.20 > 2SG3426 [snip] > ATOM 3437 O SER B 429 144.543 83.756 79.676 1.00134.86 > 2SG3439 > > Distinctive character is column 5, i.e., it must be set that only > lines containing "B" should be renumbered. > > As you can see, the number of lines for a particular value in column 6 > changes from situation to situation, and may even be different for the > same name in column 4. For example, LEU can have a different number of > lines depending on the position of this amino acid (leucine).
The above paragraph is extremely unclear. > > Thanks for help You haven't asked a question, and haven't given any background. What is your experience with Python? Any other language? Are you expecting somebody to write a script for you, or just give you a few hints? Is this homework? Have you put any effort into trying to write a script yourself? Etc etc etc -- http://mail.python.org/mailman/listinfo/python-list
