note johngg <p>You might be better off tolerating the expense of loading your data into a database of some sort once, perhaps [http://www.sqlite.org/|SQLite], and thereafter take advantage of the speed of the database which is optimised for data look-ups, using SQL queries to access your columns. [mod://DBI] and [mod://DBD::SQLite] would facilitate this.</p> <p>I hope this is helpful.</p> <!-- Node text goes above. Div tags should contain sig only --> <div class="pmsig"><div class="pmsig-401112"> <p>Cheers,</p><p>JohnGG</p> </div></div> 1014517 1014517