Just use an array, and splice to add the new element e.g. to add something after position 5: 
+% perl -de0
Loading DB routines from perl5db.pl version 1.32
Editor support available.

Enter h or `h h' for help, or `man perldebug' for more help.

main::(-e:1):   0
  DB<1> @ar = 'a' .. 'h'

  DB<2> x \@ar
0  ARRAY(0x288c320)
   0  'a'
   1  'b'
   2  'c'
   3  'd'
   4  'e'
   5  'f'
   6  'g'
   7  'h'
  DB<3> @slice = @ar[6 .. -1]

  DB<4> splice @ar, 6, @slice, 11, @slice

  DB<5> x \@ar
0  ARRAY(0x288c320)
   0  'a'
   1  'b'
   2  'c'
   3  'd'
   4  'e'
   5  'f'
   6  11
   7  'g'
   8  'h'
  DB<6>

[download]

Also see How do I handle linked lists?

In reply to Re: Linked list in Perl by Arunbear
in thread Linked list in Perl by Shaveta_Chawla

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