Perl·Perl essentials

Arrays and hashes

Arrays use @ and hashes use %, with scalars accessed through $ sigils.

Beginner 10 min read Lesson 2 of 150 Challenge included
What you will be able to do
  • Use @array for lists.
  • Use %hash for key-value pairs.
  • Use $ for a single value.

In plain English

Arrays use @ and hashes use %, with scalars accessed through $ sigils.

  • Use @array for lists.
  • Use %hash for key-value pairs.
  • Use $ for a single value.
collections.plPERL
my @lessons = ("HTML", "CSS");
my %minutes = (HTML => 12, CSS => 18);
print scalar(@lessons), " ", $minutes{CSS}, "\n";
Your turn

Explain it back

Easy

Answer from memory: Which sigil prefixes a hash?

TEXT · starter
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Knowledge checkQuestion 1

Which sigil prefixes a hash?

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Next: Regular expressions
Lesson 2 of 150 · 0% of course