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Archive for February, 2011

Using Numbers and Strings in Perl

February 2nd, 2011 Contributor No comments

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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