Reading/Writing to a file in Python

Question

I have a python code with some print statements.Now, I want to read input from one file and output it to another file.How do i do it ? Should i include this ?

code :

fo = open("foo.txt", "r") foo = open("out.txt","w")

No, you should use the context manager; with open("foo.txt") as fo, open("out.txt", "w") as foo: — jonrsharpe
– jonrsharpe, Commented Jan 9, 2015 at 21:13
You should read some tutorials about python programming. But as a start, check out shutil. — tdelaney
– tdelaney, Commented Jan 9, 2015 at 21:13

Reut Sharabani · Accepted Answer · 2015-01-09 21:19:11Z

Naive way:

fo = open("foo.txt", "r") foo = open("out.txt","w") foo.write(fo.read()) fo.close() foo.close()

Better way, using with:

with open("foo.txt", "r") as fo: with open("out.txt", "w") as foo: foo.write(fo.read())

Nice way (using a module that does it for you - shutil.copy):

from shutil import copy copy("foo.txt", "out.txt")

Jacob Greenfield · Accepted Answer · 2015-01-09 21:19:09Z

1

You can use:

with open("foo.txt", "r") as fo, open("out.txt", "w") as foo: foo.write(fo.read())

answered Jan 9, 2015 at 21:19

Jacob Greenfield

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