/Python/Txt file duplicate line remover python

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

1 vote347 views1 answer
Comment multiple lines python shortcut
Python
0 vote251 views1 answer
Add to manytomany key django stackoverflow
Python
7 votes265 views2 answers
Set vs list
Python
0 vote266 views1 answer
How to find permutation of numbers in python
Python
21 votes248 views6 answers
Pygame install
Python
0 vote283 views1 answer
Pandas difference between subsequent lines
Python
0 vote249 views1 answer
Pyqt line edit mouse position change
Python
0 vote258 views1 answer
Remove the secound to last veriable in a list python
Python
20 votes260 views3 answers
Python inline if
Python
2 votes292 views2 answers
How to get only first record in django
Python Django