From: Jochen Wiedmann
Date: October 17 2003 5:04am
Subject: Re: Unitialized value in string
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Dan Jones wrote:

> Use of uninitialized value in join or string at ./printtables.pl line
> 19.

Most probably you have NULL values in your table, which are translated
to nulls. Try replacing

     print "@$column\n";

with

     print join("", map{defined($_) ? $_ : ""} @$columns), "\n";


Jochen


P.S: And do not forget to 'use "strict"' :-)