Can anyone offer me some pointers (pun intended) on how to implement a stack in Perl with an array?
I need to have an array of elements as follows: 0 - e1 1 - e2 2 - e3 ... And I need to be able to insert items: e4 needs to go into $array[1]. 1 and 2 need to move down (or up or left or right - depending on how you visualise arrays) yet retain their contents: 0 - e1 1 - e4 2 - e2 3 - e3 ... And, you guessed it, I need to be able to remove elements, and have the others move down... remove e2, leaving: 0 - e1 1 - e4 3 - e3 ... How do I implement this in code anyone? -- Jonathan M. Hollin Technical Director: Digital-Word Co. (http://digital-word.com/) Co-ordinator: WYPUG (http://wypug.pm.org/)
