In article <62a50def-e391-4585-9a23-fb91f2e2e...@b9g2000pri.googlegroups.com>, PeroMHC <macma...@gmail.com> wrote:
> Hi All, I have a simple problem that I hope somebody can help with. I > have an input file (a fasta file) that I need to edit.. > > Input file format > > >name 1 > tactcatacatac > >name 2 > acggtggcat > >name 3 > gggtaccacgtt > > I need to concatenate the sequences.. make them look like > > >concatenated > tactcatacatacacggtggcatgggtaccacgtt > > thanks. Matt Some quick ideas. First, try something along the lines of (not tested): data=[] for line in sys.stdin: if line.startswith('>'): continue data.append(line.strip()) print ''.join(data) Second, check out http://biopython.org/wiki/Main_Page. I'm sure somebody has solved this problem before. -- http://mail.python.org/mailman/listinfo/python-list