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 Fdopen 方法
Python3 os 模块 Fdopen 方法
#!/usr/bin/python3 import os, sys # Open a file fd = os.open( "foo.txt", os.O_RDWR|os.O_CREAT ) # Now get a file object for the above file. fo = os.fdopen(fd, "w+") # Tell the current position print ("Current I/O pointer position :%d" % fo.tell()) # Write one string fo.write( "Python is a great language.\nYeah its great!!\n"); # Now read this file from the beginning. os.lseek(fd, 0, 0) str = os.read(fd, 100) print ("Read String is : ", str) # Tell the current position print ("Current I/O pointer position :%d" % fo.tell()) # Close opened file fo.close() print ("Closed the file successfully!!")