/Python/Python delete duplicate lines in file

Python delete duplicate lines in file

with open("file.txt", "r") as txt_file:
  new_data = list(set(txt_file))
  return new_data

Txt file duplicate line remover python

lines_seen = set() # holds lines already seen

with open("file.txt", "r+") as f:
    d = f.readlines()
    f.seek(0)
    for i in d:
        if i not in lines_seen:
            f.write(i)
            lines_seen.add(i)
    f.truncate()

Source: stackoverflow.com

Similar codes

0 vote140 views1 answer
Demploy django in vps
Python
0 vote132 views1 answer
Python censoring pypi
Python
-1 vote135 views1 answer
Python instance Object
Python
0 vote120 views1 answer
Sklearn kmeans mnist
Python
0 vote137 views1 answer
How to edit a pdf file in python
Python
9 votes151 views2 answers
Read video with opencv
Python
7 votes137 views4 answers
Python tkinter button multiple commands
Python
3 votes149 views1 answer
Remove commas from string python
Python
4 votes129 views3 answers
Print bold python
Python
0 vote120 views1 answer
How to close windows in selenium python without quitting the browser
Python