Exercise: Creating a Simple Customer Database with Perl
When you call a customer service center and finally make it through the Touch-Tone menus, the first thing the human being on the other end of the phone asks you for is your telephone number. Well, almost every time. Sometimes the customer service representative wants your customer number or even your Social Security number. What this person is after is something that uniquely identifies you to the computer he or she is using. These numbers serve as keys for retrieving information about you in a database. Sounds like Perl's hashes, doesn't it?
For this exercise, you're going to search a customer database. This program assumes that the database already exists, and it doesn't provide any way ...
Get SAMS Teach Yourself Perl in 24 Hours THIRD EDITION now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
