A scalar may refer to any of the following:
Scalar is a single number or value.
In Perl 5 and above and most programming languages a scalar is a single value that is not an array. A scalar may be string, integer, or a floating-point. For example, “my $value=“example”;” is an example of a scalar in Perl, where $value is equal to the string ’example'.
Perl, Programming terms, Variable
