fix read_tag_flac

music_tagmove_lib

@@ -56,7 +56,7 @@ function read_tag_flac {
 	fi
 
 	local comment_line
-	comment_line=$(metaflac --list "$file" --block-type=VORBIS_COMMENT | grep -F "$tag=")
+	comment_line=$(metaflac --list "$file" --block-type=VORBIS_COMMENT | grep -E ":\s$tag=")
 	if [[ $? -ne 0 ]]; then
 		error "Reading tag \"$1\" from \"$file\" failed: metaflac error"
 		return
@@ -227,7 +227,9 @@ function cuesplit_all {
 }
 
 function mv_wrap {
-	echo "mv" "$@"
+	printf "mv"
+	printf " \"%s\"" "$@"
+	echo
 }
 
 function tagmove_single {
@@ -285,7 +287,6 @@ function tagmove_get_media_type {
 			file -b --mime-type "$file" | cut -d'/' -f1
 			;;
 	esac
-	
 }