二十五岁时我们都一样愚蠢、多愁善感,喜欢故弄玄虚,可如果不那样的话,五十岁时也就不会如此明智。
标题:Python3 os 模块 Pipe 方法
Python3 os 模块 Pipe 方法
#!/usr/bin/python3 import os, sys print ("The child will write text to a pipe and ") print ("the parent will read the text written by child...") # file descriptors r, w for reading and writing r, w = os.pipe() processid = os.fork() if processid: # This is the parent process # Closes file descriptor w os.close(w) r = os.fdopen(r) print ("Parent reading") str = r.read() print ("text =", str ) sys.exit(0) else: # This is the child process os.close(r) w = os.fdopen(w, 'w') print ("Child writing") w.write("Text written by child...") w.close() print ("Child closing") sys.exit(0)