On Wed, Mar 23, 2011 at 11:57 AM, Senthil Kumaran <orsent...@gmail.com>wrote:
> On Wed, Mar 23, 2011 at 2:24 PM, Senthil Kumaran <orsent...@gmail.com> > wrote: > > - file IO based. Seek to end of file and do a seek in the reverse > > direction based on a factor matching the size, and process and > > display. ( I found a good discussing on StackOverflow after writing > > this). > > > http://stackoverflow.com/questions/136168/get-last-n-lines-of-a-file-with-python-similar-to-tail > > -- > Senthil > _______________________________________________ > BangPypers mailing list > BangPypers@python.org > http://mail.python.org/mailman/listinfo/bangpypers > if you could read the entire file in one go...(i.e. unless your file is more than 50MB)...how about the following? # n is the number of lines you want to read. l = open(filename).read().rsplit('\n', n+1) # following is to keep the memory requirement low. # but this is optional, if you only want to print the lines, and then end the python process. l[0] = None gc.collect() print '\n'.join(l[1:]) ... do other stuff if you cannot read the entire file in one go...then the stackoverflow answer above from S.Lott is best. Enjoy, Vishal -- Thanks and best regards, Vishal Sapre --- "So say...Day by day, in every way, I am getting better, better and better !!!" "A Strong and Positive attitude creates more miracles than anything else." "Life is 10% how you make it, and 90% how you take it" "Diamond is another piece of coal that did well under pressure” "May we do good and not evil. May we find forgiveness for ourself and forgive others. May we share freely, never taking more than we give." "बहुजन हिताय, बहुजन सुखाय (Benefit for most people, Happiness for most people.)" The difference between "*ordinary*" and "*extraordinary*" is that "extra". Its called by another name, "*preparation*". Extraordinary people prepare themselves for situations that ordinary people choose to ignore. _______________________________________________ BangPypers mailing list BangPypers@python.org http://mail.python.org/mailman/listinfo/bangpypers
