select lines in python

David Gibb degibb at gmail.com
Tue Jul 14 19:48:06 CEST 2009


try something like:

for line in open("filename").readlines():
    if (re.search("PHE|ASP",line):
        print line

On Tue, Jul 14, 2009 at 1:33 PM, <amrita at iisermohali.ac.in> wrote:
> Dear all,
>
> Can anyone tell me that suppose i have a file having content like:
>
>    _Atom_name
>      _Atom_type
>      _Chem_shift_value
>      _Chem_shift_value_error
>      _Chem_shift_ambiguity_code
>     1     1   PHE       H     H      8.49     0.02     1
>     2     1   PHE       HA    H      4.60     0.02     1
>     3     1   PHE       CA    C     57.83      0.3     1
>     4     2   LEU       H     H      8.23     0.02     1
>     5     2   LEU       HA    H      4.25     0.02     1
>     6     2   LEU       HB2   H      1.54     0.02     1
>     7     3   ASP       H     H      8.10     0.02     1
>     8     3   ASP       HA    H      4.52     0.02     1
>     9     3   ASP       HB2   H      2.65     0.02     1
> stop
>
>
> now what i want that instead of copying all the lines it will just write
> the information about PHE and ASP then how i acn do that using python
> programming.Kindly tell me the command for that.
>
> Thanks,
> Amrita Kumari
> Research Fellow
> IISER Mohali
> Chandigarh
> INDIA
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>



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