Proc incrementation des scores trivia fonctionnel

Code :
proc tgincrscore {who} {
	global tgscores tgscf tgpointsperanswer tgscorestotal tgscoresbyname
	tggetscores
	if {$tgscorestotal>0} {
		set i 0
		if {![info exists tgscoresbyname([strlwr $who])]} {
			append _newscores "1,[expr 1000000000000.0/[unixtime]],$who,[strlwr $who] "
		}
		while {$i<[llength $tgscores]} {
			set _item [lindex $tgscores $i]
			set _nick [lindex [split $_item ,] 2]
			set _time [lindex [split $_item ,] 1]
			set _score [lindex [split $_item ,] 0]
		}
	} else {
		append _newscores "1,[expr 1000000000000.0/[unixtime]],$who,[strlwr $who]"
	}
	
	puts $_sfile "$_newscores"

	return
}