C:\>gash.pl -ac
Option: c, value: 1
Option: a, value: 1
Remaining arguments:

C:\>gash.pl -ab fred jim
Option: a, value: 1
Option: b, value: 1
Remaining arguments: fred jim

C:\>gash.pl -c -a fred jim
Option: c, value: 1
Option: a, value: 1
Remaining arguments: fred jim