December 2023
Intermediate to advanced
242 pages
5h 28m
English
Content preview from Text Processing with JavaScript
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| Recipe 59 | Removing Duplicate Lines |
Task
Suppose you need to display team rankings on a website, but your data was imported from another source and there were errors during the import process. So now, your new document has consecutive duplicate lines.
For instance, let’s say your imported data consists of the lines below:
| | Team Power Rankings |
| | #1 Cleveland Cavaliers 45-28 |
| | #2 Philadelphia 76ers 48-22 |
| | #2 Philadelphia 76ers 48-22 |
| | #3 Memphis Grizzlies 43-27 |
| | #4 Boston Celtics 49-23 |
| | #4 Boston Celtics 49-23 |
| | #4 Boston Celtics 49-23 |
Before you display the rankings, you need to remove the duplicates so that it gets displayed like this:
| | Team Power Rankings |
| | #1 Cleveland Cavaliers 45-28 |
| | #2 Philadelphia 76ers 48-22 |
| | #3 Memphis Grizzlies 43-27 |
| | #4 Boston ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
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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.