Output on your sample input - $./file_reversing_program.py input.txt "you? are how there, Hi"
you thank fine, doing am I. On Fri, Jun 17, 2011 at 1:26 AM, <spa...@gmail.com> wrote: > Hello Neha, > > I think this script will do what you want and will also fix some of the > issues in your original code - > -------------------------------------------------------- > 1 #! /usr/bin/python > 2 > 3 import curses.ascii > 4 import string > 5 import sys > 6 > 7 with open(sys.argv[1],'r') as input: > 8 for eachline in input: > 9 eachline = eachline.strip('\n') > 10 if curses.ascii.isalpha(eachline[0]): > 11 first_char = '' > 12 else: > 13 first_char = eachline[0] > 14 last_char = eachline[len(eachline)-1] > 15 eachline = eachline.lstrip(first_char) > 16 eachline = eachline.rstrip(last_char) > 17 words = eachline.split(' ') > 18 outline = first_char > 19 for word in reversed(words): > 20 outline = outline + str(word) + ' ' > 21 outline = outline.rstrip() + last_char + '\n' > 22 print outline > > ----------------------------------------------------------------------------------- > > It is much more explicit. It considers some special cases and gives the > output in the format desired by you. > > Regards, > SWP > > On Fri, Jun 17, 2011 at 12:21 AM, Neha P <mywr...@yahoo.com> wrote: > >> Thanks James >> >> I guess i have to use the same code for text in yellow... seems like >> ther's no other way... >> >> Regards, >> Neha >> ------------------------------ >> *From:* James Reynolds <eire1...@gmail.com> >> *To:* Neha P <mywr...@yahoo.com> >> *Cc:* "tutor@python.org" <tutor@python.org> >> *Sent:* Thursday, June 16, 2011 2:43 PM >> *Subject:* Re: [Tutor] File parsing >> >> use split on the list to split it up. search each element for something >> like: >> >> if '"' == element[:-1]: >> >> if that evaluation is True, I would remove the quote mark from the word on >> the right side, and place a new one on the left side using something like >> '"' + element. >> >> I would do the same thing for the other side in the same for loop, instead >> the evaluation would be: >> >> if '"' == element[:1]: >> >> >> >> >> On Thu, Jun 16, 2011 at 1:03 PM, Neha P <mywr...@yahoo.com> wrote: >> >> Hi all, >> I know below query may sound silly, but can somebody suggest any better >> way of doing this: >> It would be helpful. >> >> I need to read a file line by line and print each line starting from the >> last word first: >> >> C:\Python26>type file_reversing_program.txt >> import sys >> import string >> >> f_obj=open(sys.argv[1],"r") >> >> for eachline in f_obj: >> eachline=eachline[ :-1] # to eliminate the trailing "\n" >> list_words=eachline.split(" ") >> list_words[0]=list_words[0]+"\n" # to add "\n" so that after line 1 >> is printed, line 2 should start on a new line >> list_words.reverse() >> for every_word in list_words: >> print every_word, # 'comma' helps in printing words on same >> line,hence for last word we append "\n" >> >> f_obj.close() >> >> C:\Python26>type input_file.txt >> "Hi ther, how are you?" >> I are doing fine, thank you. >> >> C:\Python26>file_reversing_program.py input_file.txt >> you?" are how ther, "Hi >> you. thank fine, doing are I >> >> Is there a better way of doing the above program, mainly the text >> highlighted in yellow, >> Also if that is settled can there be a logic for getting the ouput more >> properly formatted (for text in blue) , >> say giving an output like : >> "you? are how ther, Hi" >> you. thank fine, doing are I >> >> >> Thanks, >> Neha >> >> >> _______________________________________________ >> Tutor maillist - Tutor@python.org >> To unsubscribe or change subscription options: >> http://mail.python.org/mailman/listinfo/tutor >> >> >> >> >> >> _______________________________________________ >> Tutor maillist - Tutor@python.org >> To unsubscribe or change subscription options: >> http://mail.python.org/mailman/listinfo/tutor >> >> > > > -- > http://spawgi.wordpress.com > We can do it and do it better. > -- http://spawgi.wordpress.com We can do it and do it better.
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