Chapter 9. List variables
Using array variables | ||
Using hash variables | ||
Comparing list generators in the Shell and Perl | ||
Summary |
By this point, you’ve learned how to use Perl’s most important built-in functions and the special techniques employed in scripts. So you’re nearly ready to start slinging around huge quantities of data and wrangling their values until you get what you’re after—like a professional data munger!
But first, you need to learn how to classify, store, and retrieve those copious amounts of data. This brings us to the topic of list variables.
The main property that distinguishes list variables from the scalar variables we’ve already discussed is how many distinct items of data each can hold. The limit for a scalar ...
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