This notebook was prepared by Donne Martin. Source and license info is on GitHub.

Files

Read a File
Write a File
Read and Write UTF-8

Read a File

Open a file in read-only mode.<br> Iterate over the file lines. rstrip removes the EOL markers.<br>

python

old_file_path = 'type_util.py'
with open(old_file_path, 'r') as old_file:
    for line in old_file:
        print(line.rstrip())

Write to a file

Create a new file overwriting any previous file with the same name, write text, then close the file:

python

new_file_path = 'hello_world.txt'
with open(new_file_path, 'w') as new_file:
    new_file.write('hello world!')

Read and Write UTF-8

python

import codecs
with codecs.open("hello_world_new.txt", "a", "utf-8") as new_file:
    with codecs.open("hello_world.txt", "r", "utf-8") as old_file:                   
        for line in old_file:
            new_file.write(line + '\n')