[wmii] xkb state info?

hi
does anyone know how to read xkb state info (current keymap, LEDs) without C programming?
got a wireless keyboard without hardware LEDs, wanna see xkb LEDs in wmii status bar,
but it seems that all present utilities that can read xkb state doesn't like to give it back via stdout, but prefer to display it graphically in some eye-appealing manner, which is completely useless for me.

-- 
With best regards,
Boo-boo
mailto: kaitarou_AT_gmail.com