Python os.write() Method
The method write() writes the string str to file descriptor fd. Return the number of bytes actually written.
Following is the syntax for write() method
fd -- This is the file descriptor.
str -- This is the string to be written.
This method returns the number of bytes actually written.
The following example shows the usage of write() method.
# !/usr/bin/python import os, sys # Open file fd = os.open("f1.txt",os.O_RDWR|os.CREAT) # Writing text ret = os.write(fd,"This is test") # ret consists of number of bytes written to f1.txt print "the number of bytes written: " print ret print "written successfully" # Close opened file os.close(fd) print "Closed the file successfully!!"
Let us compile and run the above program, this will produce the following result:
the number of bytes written: 12 written successfully Closed the file successfully!!