/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 vote198 views1 answer
Omr sheet python stackoverflow
Python
0 vote165 views1 answer
Make a function that accepts any nuber of arguments python
Python
0 vote192 views1 answer
Open tkinter and cli
Python
0 vote172 views1 answer
Compile python folder
Python
1 vote167 views2 answers
Python detect internet connection
Python
2 votes177 views2 answers
Python fibonacci sequence code
Python
0 vote174 views1 answer
How to duplicate a row in python
Python
11 votes163 views2 answers
How to import a module in python
Python
10 votes163 views4 answers
Python bold text
Python
0 vote174 views1 answer
Deduplication jaccard python
Python