Where is the cmd command line of python?

Python executes the cmd command line. The most typical module is to use subprocess.

One, Execute cmd and read the return value

import subprocess
p = subprocess.Popen("ls",
        stdout=subprocess.PIPE, universal_newlines=True)
p.wait()
result_lines = p.stdout.readlines()
for line in result_lines:
    print(line)

Two, Execute cmd command

import subprocess
cmd = "ffmpeg -i bb_short.mp4 -vf \"select=\'eq(pict_type,  PICT_TYPE_I)\'\" -vsync vfr out%d.png"
p = subprocess.Popen(cmd, shell=True)
p.wait()

The above is the detailed content of Where is the cmd command line of python?. For more information, please follow other related articles on the PHP Chinese website!