Perl Comments

Comments are a necessity for a developer of any language. It is a good habit to comment in your code. They don't take part in program execution. They just provide us an explanation and hints about our coding. With the help of comments, one can easily understand the code after a long time. Even other people will also be able to understand someone else work with the help of comments. Like other languages, we can also comment in Perl language.

There are two ways to comment in Perl:

  • Single line comments
  • Multi line comments

Perl Single Line Comment

Perl single line comment starts with a hash sign (#).

snippet
$x = 10;
print"$x\n"; #Here, x is a variable

Output:

Output
10

Perl Multi Line Comment

Perl multi line comment starts with (=begin) statement and ends with (=cut) statement.

snippet
$x = 20;
print"$x\n"; 
=begin
Let's declare and 
print variable in Perl.
=cut

Output:

Output
20
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