Python to combine lines in a txt file -


a question regarding combine lines in txt file.

file contents below (movie subtitles). want combine subtitles, english words , sentences in each paragraph 1 line, instead of showing either 1, 2 or 3 lines separably.

could please advise method feasible in python? many thanks.

1 00:00:23,343 --> 00:00:25,678 been while since here in front of you.  2 00:00:25,762 --> 00:00:28,847 maybe i'll favour , stick cards.  3 00:00:31,935 --> 00:00:34,603 there's been speculation involved in events occurred on freeway , rooftop...  4 00:00:36,189 --> 00:00:39,233 sorry, mr stark, expect believe  5 00:00:39,317 --> 00:00:42,903 bodyguard in suit conveniently appeared,  6 00:00:42,987 --> 00:00:45,698 despite fact sorely despise bodyguards?  7 00:00:45,782 --> 00:00:46,907 yes.  8 00:00:46,991 --> 00:00:51,662 , mysterious bodyguard somehow equipped

intuitive solution

a simple solution based on 4 types of lines can have:

  • an empty line
  • a number indicating position (no letters)
  • a timing subtitle (with specific pattern; no letters)
  • text

you can loop on each line, classifying them, , act accordingly.

in fact, "action" non-text not-empty line (timeline , numeric) same. thus:

import re  open('yourfile.txt') f:     exampletext = f.read()  new = ''  line in exampletext.split('\n'):     if line == '':         new += '\n\n'     elif re.search('[a-za-z]', line):  # check if there text         new += line + ' '      else:         new += line + '\n'

result:

>>> print(new) 1 00:00:23,343 --> 00:00:25,678 been while since here in front of you.   2 00:00:25,762 --> 00:00:28,847 maybe i'll favour , stick cards.  ...

regex explained:

  • [] indicates of characters inside
  • a-z indicates range of characters a-z
  • a-z indicates range of characters a-z

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