fix tag parsing (Ogg, FLAC)

atom

@@ -650,12 +650,8 @@ getRateChannelMPC() {
 }
 
 gettag() {
-	tagval=$(
-		echo -e "$infos"	\
-		| egrep -i "^${1}="
-	)
-	echo "${tagval#${1^^}=}"
-	unset tagval
+	echo -e "$infos"			\
+	| sed -n "/^${1}=/I{s/^${1}=//I;p}"
 }
 
 getInfos::MP3() {
@@ -681,7 +677,7 @@ getInfos::MP3() {
 getInfos::Ogg() {
 	infos=$(
 		ogginfo "$sourcepath/$filename"	\
-		sed 's/\t//'
+		| sed 's/\t//'
 	)
 	albumartist=$(gettag albumartist)
 	album=$(gettag album)
@@ -740,6 +736,11 @@ getInfos::FLAC() {
 	title=$(gettag title)
 	tracknum="$(gettag tracknumber)/$(gettag tracktotal)"
 	year=$(gettag date)
+	if [ -n "$tracknum" -a -n "$tracktotal" ]
+	then
+		tracknum="$tracknum/$tracktotal"
+	fi
+	year=$(gettag DATE)
 	{
 		read rate
 		read channels