/bin/bash: :n: command not found

medals() {
	local		\
		stat	\

	if [[ -f .innovator ]]
	then
		innovator=$(<.innovator)
	else
		innovator=0
	fi
	if (( innovator >= 1 ))
	then
		(( bronzecount++ ))
		bronzes+=( innovator )
	else
		nosilver["Innovator"]=1
	fi
	if (( innovator >= 2 ))
	then
		(( silvercount++ ))
		silvers+=( innovator )
	else
		nobronze["Innovator"]=1
	fi
	if (( innovator >= 3 ))
	then
		(( goldcount++ ))
		golds+=( innovator )
	else
		nogold["Innovator"]=1
	fi
	if (( innovator >= 4 ))
	then
		(( platinumcount++ ))
		platinums+=( innovator )
	else
		noplatinum["Innovator"]=1
	fi
	if (( innovator == 5 ))
	then
		(( blackcount++ ))
		blacks+=( innovator )
	else
		noblack["Innovator"]=1
	fi
	for stat in "${medals[@]}"
	do
		if (( last["$stat"] >= bronze["$stat"] ))
		then
			(( bronzecount++ ))
			bronzes+=( "$stat" )
			hasbronze["$stat"]=1
		else
			 (( upbronze["$stat"]=last["$stat"] * 100 / bronze["$stat"]))
		fi
		if (( last["$stat"] >= silver["$stat"] ))
		then
			(( silvercount++ ))
			silvers+=( "$stat" )
			hassilver["$stat"]=1
		elif (( last["$stat"] >= bronze["$stat"] ))
		then
			(( upsilver["$stat"]=( last["$stat"] - bronze["$stat"] ) * 100 / ( silver["$stat"] - bronze["$stat"] ) ))
		else
			nosilver["$stat"]=1
		fi
		if (( last["$stat"] >= gold["$stat"] ))
		then
			(( goldcount++ ))
			golds+=( "$stat" )
			hasgold["$stat"]=1
		elif (( last["$stat"] >= silver["$stat"] ))
		then
			(( upgold["$stat"]=( last["$stat"] - silver["$stat"] ) * 100 / ( gold["$stat"] - silver["$stat"] ) ))
		else
			nogold["$stat"]=1
		fi
		if (( last["$stat"] >= platinum["$stat"] ))
		then
			(( platinumcount++ ))
			platinums+=( "$stat" )
			hasplatinum["$stat"]=1
		elif (( last["$stat"] >= gold["$stat"] ))
		then
			(( upplatinum["$stat"]=( last["$stat"] - gold["$stat"] ) * 100 / ( platinum["$stat"] - gold["$stat"] ) ))
		else
			noplatinum["$stat"]=1
		fi
		if (( last["$stat"] >= black["$stat"] ))
		then
			(( blackcount++ ))
			blacks+=( "$stat" )
			hasblack["$stat"]=1
		elif (( last["$stat"] >= platinum["$stat"] ))
		then
			(( upblack["$stat"]=( last["$stat"] - platinum["$stat"]) * 100 / ( black["$stat"] - platinum["$stat"] ) ))
		else
			noblack["$stat"]=1
		fi
	done
}