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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Hour 6. Pattern Matching
What You'll Learn in This Hour:
How to edit strings using regular expressions
In the preceding hour, you learned about reading data from files. With that information, combined with your knowledge of scalars, arrays, and operators, you're prepared to manipulate that data to do what you want—almost. The data in the file might not have an easy-to-use format that can be broken up with a simple split on spaces. You might have lines that contain data you're not interested in and want to edit out.
What you need is the ability to recognize patterns in the input stream, to pick and choose data based on those patterns, and possibly to edit ...
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