require "${directory}MyCGI_HTML.pl";
require "${directory}MyCGI_HTML_Main.pl";
require "${directory}MyCGI_HTML_Preferences.pl";
require "${directory}MyCGI_MySQL.pl";
require "${directory}MyCGI_LANG.pl";
require "${directory}MyCGI_Other.pl";
require "${directory}MyCGI_DB-Export.pl";
require "${directory}MyCGI_FindReplace.pl";
require "${directory}MyCGI_SEARCH.pl";
require "${directory}MyCGI_AJAX.pl";
require "${directory}MyCGI_Valid.pl";
require "${directory}MyCGI_SpellCheck.pl";
Have you considered structuring your files as modules instead?