Sometimes, we want to read a large file – line by line with Python.
in this article, we’ll look at how to read a large file – line by line with Python.
How to read a large file – line by line with Python?
To read a large file – line by line with Python, we can use with, open and a for loop.
For instance, we write
with open(path) as f:
for line in f:
# ...
to open the file at path and assign it to f.
Then we loop through each line of f and run the code we want for each line in the loop.
with will close the file once reading is done.
Conclusion
To read a large file – line by line with Python, we can use with, open and a for loop.
