What are best practices for working with scalars ($)?

Best practices for working with scalars in Perl optimizes code efficiency and readability. Using scalars effectively can enhance performance and maintainability.
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# Example of using scalars in Perl # Declaring a scalar variable my $name = "John Doe"; # Best practice: use meaningful variable names my $age = 30; # Keep variable names concise yet descriptive # Using scalars in operations print "Name: $name\n"; # Access scalar variables with a dollar sign print "Age: $age\n"; # Scalar context my $length = length($name); # Use built-in functions where needed print "Length of name: $length\n";

Perl scalars best practices code efficiency readability performance maintainability