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# usage:
#   http://host/path/velog.cgi will show the lines in the error log
#                                        you haven't seen yet.
#   http://host/path/velog.cgi?all=234  will show all the lines in the

#!perl -wT

...
$lastline = $startline + $#$logtext;
printerrorlog($q, $lastline, $logtext);