A 42 School Norm audit software. Maybe more.
Just use the fennec executable script at the root of the fennec folder. (If needed, add the execute rights)
>$ chmod +x wake-fennec.py
>$ ./wake-fennec.py [filename/directory...]
And voilà !
Fennec will output the important warnings directly on the console but will also generate a trace file for further reference.
To clean up the log files and traces, use the --clean command:
>$ ./wake-fennec.py --clean
Enjoy !