posix complain

md

@@ -2,7 +2,8 @@
 checkMetadata() {
 	ffprobe "$1" 2>&1 | grep -e artist -e title
 	while true; do
-		read -p "correct metadata? [Y] | [n]: "  yn
+		printf "correct metadata? [Y] | [n]: "
+		read -r yn < /dev/tty
 		case "$yn" in
 			[Yy]* ) return 0;;
 			[Nn]* ) return 1;;
@@ -10,7 +11,7 @@ checkMetadata() {
 		esac
 	done
 }
-cd ~/Medien/Musik/2020
+cd ~/Medien/Musik/2020 || exit
 download_dir="$(mktemp -d)"
 file_name="$(youtube-dl "ytsearch:$1 lyrics" \
 	--extract-audio \
@@ -25,7 +26,7 @@ r128gain "$file_name" 2> /dev/null
 temp_dir="$(mktemp -d)"
 temp_file="$temp_dir/0.mp3"
 cp "$file_name" "$temp_file"
-idntag "$temp_file"
+idntag "$temp_file" > /dev/null
 temp_file=$(echo "$temp_dir"/*)
 if checkMetadata "$temp_file"; then
 	mv "$temp_file" .