我知道我可以在stdin
中使用进程的python
使用子进程,如:
import subprocess
f = subprocess.Popen('python example.py',stdin=subprocess.PIPE)
f.stdin.write('some thing')
但我只想知道我要写入流程的stdin
的pid
我怎么能这样做?
答案 0 :(得分:11)
只需写信至/proc/PID/fd/1
:
import os.path
pid = os.getpid() # Replace your PID here - writing to your own process is boring
with open(os.path.join('/proc', str(pid), 'fd', '1'), 'a') as stdin:
stdin.write('Hello there\n')