Here's a snippit that will initialize an array and select a number while the array still has elements...what you do with the element is up to you... 
use strict;
my $max = 200;                                #number of elements for 
+array
my @array = (0..$max-1);                      #initialize array
while(@array !=0){
  my $index   = rand @array;                  #pick a random element o
+f the existing array
  my $element = $array[$index];               #extract the element
  my @newarray = grep {$_ !=$element} @array; #remove the element
  @array = @newarray;                         #reset the array
}

[download]
Addendum: See BrowserUk's reply for a more tidy/efficient method of extracting the element from the array

In reply to Re: random number by insensate
in thread random number by huskey

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.