Using Numbers and Strings in Perl
February 2nd, 2011
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In Perl, numbers and strings are called scalars. Scalars that do not change during the lifetime of a program are known as constants or literals. Scalars that do change are known as variables. Operators do something with scalars, for example, add together the contents of two variables.
Literals/Constants
There are two types of literal:
* numeric literals, [...]
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