python write sys.stdout to file code example

Example 1: python save output to file

with open("output.txt", "a") as f:
    print("Hello StackOverflow!", file=f)
    print("I have a question.", file=f)

Example 2: redirect python output to file

$ python foo.py > file

Example 3: python write subprocess stdout stderr to file

with open("stdout.txt","wb") as out, open("stderr.txt","wb") as err:
    subprocess.Popen("ls",stdout=out,stderr=err)

Tags:

Python Example

Related