Python Tutorial ( PDFDrive )

# Close opened file
os.close( fd )
print "Closed the file successfully!!"
This would create given file foo.txt and then would write given content in that file and would produce the following
result:
Closed the file successfully!!
os.openpty()
Description
The method openpty() opens a pseudo-terminal pair and returns a pair of file descriptors(master,slave) for the
pty & the tty respectively.
Syntax
Following is the syntax for openpty() method:
os.openpty()
Parameters
• NA
Return Value
This method returns a pair of file descriptors i.e., master and slave.
Example
The following example shows the usage of openpty() method.
# !/usr/bin/python
import os
# master for pty, slave for tty
m,s = os.openpty()
print m
print s
# showing terminal name
s = os.ttyname(s)
print m
print s
Let us compile and run the above program, this will produce the following result:
3
4
3
/dev/pty0
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