fwiw, it is a little faster if you use the OO interface.
use CGI;
# ...
print FH CGI->table(@rows);
this speeds up the CGI::self_or_default, which, under
use CGI qw(:standard); mode, instantiates a new CGI object for each function call.
as for memory consumption, you'll have to work a row at a time..
print FH CGI->start_table;
print FH @rows;
print FH CGI->end_table;
(
updated to clarify: it is the stringification of "@result" that CGI->table() does that is the resource killer. you can avoid that with
print FH CGI->start_table, @rows, CGI->end_table;)
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