June 2005
Beginner
480 pages
10h 31m
English
Content preview from SAMS Teach Yourself Perl in 24 Hours THIRD EDITIONBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Exercise: A Free-Form Memo Pad
Now that you have an easy way to keep data on the disk, it's time to put it to good use. This exercise presents a free-form memo pad that keeps information based on keys and allows you to search and retrieve that information with simple queries.
A sample session with the program (called memopad) is shown in Listing 15.1.
To query the memopad program, simply type the name of a topic, followed by a question mark. To program in a new fact, type a phrase in the form “X is Y”, where X is the topic and Y is the information to associate with that topic. You can search the database for similarities by typing “like pattern?” where pattern is a regular expression to search for in the topics. All topics matching that expression ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.