Update duration-length.sh

scripts/duration-length.sh

@@ -5,8 +5,8 @@ then
         mp3=$(cat "$i" | grep "^mp3 =" | awk -F'"' '{print $2}')
         duration=$(ffprobe -i "$mp3" -show_entries format=duration -v quiet -of csv="p=0" -sexagesimal)
         length=$(ffprobe -i "$mp3" -show_entries format=size -v quiet -of csv="p=0")
-        sed -i 's/^duration = .*/duration = \"($duration)\"/g' "$i"
-        sed -i 's/^length = .*/length = ($length)/g' "$i"
+        sed -i "s/^duration = .*/duration = \"$duration\"/g" "$i"
+        sed -i "s/^length = .*/length = $length/g" "$i"
         cat "$i"
     done
 fi