Script started on Wed Aug 10 12:01:19 2011
complex% python maxANchar.py
usage: maxANchar.py  filename
complex% python maxANchar.py mc1.dat
The alphanumeric character that occurs most often in file " mc1.dat " is  a  ( 4  times)
complex% python maxANchar.py mc2.dat
The alphanumeric character that occurs most often in file " mc2.dat " is  B  ( 5  times)
complex% python maxANchar.py mc3.dat
The alphanumeric character that occurs most often in file " mc3.dat " is  3  ( 7  times)
complex% python maxANchar.py mc4.dat
The alphanumeric character that occurs most often in file " mc4.dat " is  s  ( 6  times)
complex% python maxANchar.py mc5.dat
No alphanumeric characters in file " mc5.dat "
complex% exit

Script done on Wed Aug 10 12:03:43 2011