batch-titdic-convert is an autoloaded Lisp function in `titdic-cnv.el'.

(batch-titdic-convert &optional FORCE)

Run `titdic-convert' on the files remaining on the command line.
Use this from the command line, with `-batch';
it won't work in an interactive Emacs.
For example, invoke "emacs -batch -f batch-titdic-convert XXX.tit" to
generate Quail package file "xxx.el" from TIT dictionary file "XXX.tit".
To get complete usage, invoke "emacs -batch -f batch-titdic-convert -h".