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Python | os.getegid() and os.setegid() method
  • Last Updated : 31 Oct, 2019

OS module in Python provides functions for interacting with the operating system. OS comes under Python’s standard utility modules. This module provides a portable way of using operating system dependent functionality.

All functions in os module raise OSError in the case of invalid or inaccessible file names and paths, or other arguments that have the correct type, but are not accepted by the operating system.

os.getegid() method in Python is used to get the current process’s effective group id and os.setegid() method is used to set effective group id of the current process.

Note: os.setegid() and os.getegid() methods are available only on UNIX platforms and the functionality of os.setegid() method is typically available only to the superuser.
Superuser means a root user or an administrative user who has all the permissions to run or execute any program in the operating system.

os.getegid() method –

Syntax: os.getegid()



Parameter: No parameter is required

Return Type: This method returns an integer value which represents the current process’s effective group id.

Code #1: Use of os.getegid() method




# Python program to explain os.getegid() method 
  
# importing os module 
import os
  
# Get the effective group id
# of the current process
# using os.getegid() method
egid = os.getegid()
  
# Print the effective group id
# of the current process
print("Effective group id of the current process:", egid)

Output:
Output getegid method

os.setegid() method –

Syntax: os.setegid(egid)

Parameter:
egid: An integer value representing new effective group id for the current process.

Return Type: This method does not return any value.

Code #2: Use of os.setegid() method




# Python program to explain os.setegid() method 
  
# importing os module 
import os
  
# Get the effective group id
# of the current process
# using os.getegid() method
egid = os.getegid()
  
# Print the effective group id
# of the current process
print("Effective group id of the current process:", egid)
  
  
# Change the effective group id
# for the current process
# using os.setegid() method
egid = 200
os.setegid(egid)
print("Effective group id changed")
  
# Print the effective group id
# of the current process
egid = os.getegid()
print("Effective group id of the current process:", egid)

Output:
setegid method output

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