Python Implementation of reading files by line [reading small files and large files ],

Python Implementation of reading files by line [reading small files and large files ],

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

Small file:

# Coding = UTF-8 # author: walker # date: 2013-12-30 # function: read small files by row all_lines = [] try: file = open('txt.txt ', 'R') all_lines = file. readlines () handle T IOError as err: print ('file error: '+ str (err) finally: if 'file' in locals (): File. close () for line in all_lines: print (line)

Large file:

# Coding = UTF-8 # author: walker # date: 2013-12-30 # function: read large files by row try: file = open('txt.txt ', 'R') for line in file: print (line) handle t IOError as err: print ('file error: '+ str (err) finally: if 'file' in locals (): File. close ()