Arrays and Hashes

Array Variables

• Array variables store zero or more scalar values.
• Array variables begin with the @ character (as opposed to the $ character for scalar variables).
• The scalar variable $blah and the array variable @blah
are completely unrelated.
• Arrays that have never been assigned contain the empty list ()
• There are times when you will wish to operate on an entire array at once, and times that you will want to operate on one scalar member of a variable at a time. Both operations are possible and common.