List of processes on linux

list_running_processes.py

#!/usr/bin/env python                                                           
import os                                                                       
                                                                                
                                                                                
def list_process():                                                             
                                                                                
    for pid in os.listdir('/proc'):                                             
                                                                                
        if not pid.isdigit():                                                   
            continue                                                               
                                                                                  
        try:                                                                      
                                                                                  
            process = open(os.path.join('/proc', pid, 'cmdline'), 'rb').read()  
            if process:                                                         
                yield process                                                   
                                                                                
        except IOError:  # proc has already terminated                          
            continue                                                            
                                                                                
                                                                                   
if __name__ == '__main__':                                                         
                                                                                   
    for p in list_process():                                                       
        print p