/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

18 votes325 views6 answers
Remove punctuation from string python
Python
8 votes366 views5 answers
Pytorch
Python
6 votes324 views3 answers
Python open folder
Python
0 vote339 views1 answer
Avoir l'indice d'un nombre dans un array numpy
Python
69 votes342 views5 answers
Get text from txt file python
Python
5 votes327 views1 answer
How to make a python app for android
Python
0 vote327 views1 answer
Python web server oneliner
Python
4 votes321 views1 answer
Unique values in dataframe column count
Python
0 vote331 views1 answer
Qiskit setup
Python
15 votes364 views3 answers
Python json stringify
Python