https://github.com/richardomollo/SanFranciscoFont

rename.sh

osascript <<!
on rename(dir, ext, f, r)
 repeat with s in list folder dir
  if s contains "." & ext then
   set text item delimiters to f
   set _ to text items in s
   set text item delimiters to r
   text items of _ as string
   do shell script "mv " & quoted form of (dir & s) & " " & quoted form of (dir & result)
  end if
 end repeat
end rename

rename("/Volumes/SSD/trapezekaely/SF/", "otf", "test2", "-")
!