Fixes on rename-tracknumber script

rename-tracknumber

@@ -167,9 +167,9 @@ if [ ${#TRACKNUMBER} -gt 9 ]
    else
       if [ $VERBOSE ]
       then
-      echo "mv \"$file\" \"0$TRACKNUMBER - $file\""
+      echo "mv \"$file\" \"$TRACKNUMBER - $file\""
       fi 
-      mv "$file" "0$TRACKNUMBER - $file"
+      mv "$file" "$TRACKNUMBER - $file"
    fi
 }
 
@@ -195,6 +195,7 @@ Msg=""
 
 # Unset variables
 unset VERBOSE
+unset MUSIC
 
 ############################################################
 # Process the input options. Add options as needed.        #
@@ -223,33 +224,22 @@ done
 # Display a message before the program starts
 #echo "$Msg"
 
-for file in * 
-do
+# Loop through all .flac and .mp3 files
+for file in *.flac *.mp3; do
    # Ensure only songs are renamed.
-   if [[ $file == *.flac ]]
-   then
-
+   if [[ $file == *.flac ]]; then
       TRACKNUMBER=$(metaflac --show-tag=TRACKNUMBER "$file" | head -n 1 | sed -r 's/^TRACKNUMBER=([0-9]+).*$/\1/')
-
-   elif [[ $file == *.mp3 ]]
-   then
-
-      TRACKNUMBER=$(ffprobe $file 2>&1 | grep 'track' | awk '{print $3}' | sed "s/\/[0-9]*//")
-
-   else 
-
-      echo "Warning: $file does not end \`.flac\` or \`.mp3\`."
-      exit
-
+   elif [[ $file == *.mp3 ]]; then
+      TRACKNUMBER=$(ffprobe "$file" 2>&1 | grep 'track' | awk '{print $3}' | sed "s/\/[0-9]*//")
+   else
+      # Skip non-music files
+      continue
    fi
 
-   if [ $VERBOSE ]
-   then
+   if [ $VERBOSE ]; then
       echo "TRACKNUMBER = $TRACKNUMBER"
    fi
       
    # Rename $file
    RenameFile	  
-
 done
-