python ./nessusReportParser.py -h
 
 -h  or --help               print this help menu
 -f  or --file                  space separated input nessus report file(s)
 
 
 
 -o  or --output-file      output file to save data in csv format
 
 
 
 Filter-options:
 
 -p  or --port               display records with matching port
 
                                   format accepted:
                                   -p 21,53,23"
                                   -p 1-1000"
                                   -p 8090"
 
 -c  or --severity-level    display records with matching severity level
 
                       	             format accepted:
                       	              -c 2,3,4
                                     -c 1-4
                                     -c 4 
                                        
                                     severity-index:
                                     0 - Info
                                     1 - Low
                                     2 - Medium
                                     3 - High
                                     4 - Critical
 
 Note: This options can be clubbed with -p option
 
 -e  or  --exclude-ip       exclude comma seperated ip from output
                                    format accepted:
                                    -e 192.168.0.1
                                    -e 192.168.0.1,10.10.209.11\
                                        
 Note: Current version doesn't support filtering via cidr ip notation
            It can be clubbed with all above filters options
 
 -v  or --vulnerability      display records with matching vulnerability name
                                     format accepted:
                                       -v "ms17-010"
                                       -v "poodle,smb"                             

Display help section of the script

    #python ./nessusReportParser.py -h
    
Parse scan01.nessus and scan02.nessus file(s) and display info on terminal 	 
    # python ./nessusReportParser.py -f scan01.nessus scan02.nessus
    
Parse nessus report files and save output in output-report.csv file    
    # python ./nessusReportParser.py -f scan01.nessus scan02.nessus -o output-report.csv
    
Display records from nessus report where port number lies between 1 to 1024     
    # python ./nessusReportParser.py -f scan01.nessus scan02.nessus -p 1-1024

Display all the severity-level = 4 [Critical] observations from the nessus report
    # python ./nessusReportParser.py -f scan01.nessus scan02.nessus -c 4
    
Display all records from nessus report where port number is 22 and severity-level is 4 [Critical]    
    # python ./nessusReportParser.py -f scan01.nessus  -p 22 -c 4
    
Display all the observations where system is vulnerable to "wannacry"   
    # python ./nessusReportParser.py -f scan01.nessus  -v "wannacry"
    
Exclude host 10.10.08.108 and 10.10.09.109 from the report    
    # python ./nessusReportParser.py -f scan01.nessus -e 10.10.08.108,10.10.09.109

	1) LXML - Required for parsing nessus data
	2) PrettyTable (Optional) - for formatting data in tabular fashion on terminal