and regardless of the speed, what do you think would be the best method to do this ?
Michael Bentley wrote: > On Dec 17, 2007, at 5:34 AM, Horacius ReX wrote: > > > I need to write a program which reads an external text file. Each time > > it reads, then it needs to delete some lines, for instance from second > > line to 55th line. The file is really big, so what do you think is the > > fastest method to delete specific lines in a text file ? > > AFAIK, there really isn't much you can do to *speed* the reading and > writing of the large text file. But maybe you can avoid doing it too > much. If you must make many changes it might help to just keep a list > of lines to consider "deleted" -- and write the modified file out later. > > hth, > Michael > > --- > "I use tuples simply because of their mellifluous appellation." --Neil > Cerutti -- http://mail.python.org/mailman/listinfo/python-list