I think the problem is the double quotes, try using parentheses instead, like this.

#! /bin/perl

@ar=(3,8);

push @new_array, ($ar[0] .. $ar[1]);

foreach ( @new_array)
{

  print "$_\n";
}
[download]

This gives an array with elements 3,4,5,6,7,8.

--
tbone1
Ain't enough 'O's in 'stoopid' to describe that guy.
- Dave "the King" Wilson