This script will rename the selected tracks in iTunes with their filenames (minus the extension).
There is no accounting for track numbers that may prefix the filename.
To remove characters from the beginning of tag text try using the script Remove n Characters From Front or Back.
Perhaps Also of Interest...
downloaded 11m 2s ago
Remove iTunes tracks disassociated from files
downloaded 22m 48s ago
Play through each track in a playlist at your set interval
downloaded 23m 29s ago
Ensure a volume is mounted at startup and then launch iTunes
downloaded 24m 49s ago
Save files of iTunes tracks using QuickTime Pro audio codecs
downloaded 33m 24s ago
Gather audio tracks whose files contain no artwork metadata
downloaded 37m 38s ago
Exports and then re-imports selected tracks' artwork