Last login: Thu Aug 18 11:28:44 on ttys000
youngs-mac-mini:~ fenimore$ cd ~/Documents
youngs-mac-mini:Documents fenimore$ perl TimeChecker.pl
Type in the current time!
4:90
Please be more specific.
4:30AM
Use of uninitialized value $1 in numeric gt (>) at TimeChecker.pl line 13, <STDIN> line 2.
That is not a valid time!
Type the time again.
12:30PM 
That is a valid time!
youngs-mac-mini:Documents fenimore$