Python how to read output from pexpect child?

Question

child = pexpect.spawn (\'/bin/bash\')
child.sendline(\'ls\')
print(child.readline())
print child.before, child.after

All I get with this code in my

Answer 1

#!/usr/bin/env python

import pexpect
child = pexpect.spawn("ssh root@172.16.0.120c -p 2222")
child.logfile = open("/tmp/mylog", "w")
child.expect(".*assword:")
child.send("XXXXXXX\r")
child.expect(".*\$ ")
child.sendline("ls\r")
child.expect(".*\$ ")

go to open your logfile:- go to terminal

$gedit /tmp/mylog

As Per https://pexpect.readthedocs.io/en/stable/api/pexpect.html#spawn-class

# In Python 3, we'll use the ``encoding`` argument to decode data
# from the subprocess and handle it as unicode:
 child = pexpect.spawn('some_command', encoding='utf-8')
 child.logfile = sys.stdout