/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

5 votes124 views2 answers
Turn df to dict
Python
0 vote138 views9 answers
Word generator in python
Python
11 votes138 views3 answers
How to print all elements of a dictionary in python
Python
1 vote126 views1 answer
Coronavirus program in python
Python
4 votes129 views2 answers
Python map input
Python
0 vote136 views1 answer
Right-left staircase python
Python
0 vote220 views1 answer
How do you read from a dictionary in python
Python
6 votes131 views5 answers
Format in python
Python
0 vote125 views1 answer
Pass context data with templateview in django
Python
3 votes133 views1 answer
How to add text in python turtle
Python