Since...

Any advice would be welcomed!

... let me toss in my $.02. ;)

To start with, you should consider changing those 2 letter variables to something less obfuscated (aka more readable etc). At the moment, I have a very hard time understanding the very thing that your code is supposed to do and how it does it. If you need an array to store your purchase order numbers, then call it something like @purchase_orders. Apply same principle to the rest of your variables and this will make the code a little more readable.

"There is no system but GNU, and Linux is one of its kernels." -- Confession of Faith

In reply to Re: VVP:DBI, arrays and loops by vladb
in thread VVP:DBI, arrays and loops by vivekvp

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.