Python is a simple method for reading large files,

Python is a simple method for reading large files,

This example describes how to read large files in python. We will share this with you for your reference. The details are as follows:

Python uses the following method to read large files (GB-level:

With open (...) as f: for line in f: <do something with line>

For example:

With open (filepath, 'R') as infile: for line in infile: print line

Everything is handed over to the python interpreter for processing. The reading efficiency is very high and the resource usage is small.

Stackoverflow Reference Links: How to read large file, line by line in python-Stack Overflow