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How do I process/modify each element of an array?

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How do I process/modify each element of an array?

Use for/foreach:

    for (@lines) {

Here's another; let's compute spherical volumes:

    for (@radii) {
        $_ **= 3;
        $_ *= (4/3) * 3.14159;  # this will be constant folded

Source: Perl FAQ: Data Manipulation
Copyright: Copyright (c) 1997 Tom Christiansen and Nathan Torkington.
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