update-subdirs

#!/bin/sh
# Write into $1/subdirs.el a list of subdirs of directory $1.
cd $1
for file in *; do
    case $file in
	*.elc | *.el | term | RCS | CVS | Old | . | .. | =* | *~ | *.orig | *.rej)
	  ;;	
	*)
	    if [ -d $file ]; then
	      subdirs="\"$file\" $subdirs"
	    fi
	  ;;
    esac
done

if [ "x$subdirs" = x ]; then
  rm -f subdirs.el
else
  echo ";; In load-path, after this directory should come
;; certain of its subdirectories.  Here we specify them." > subdirs.el

  echo "(normal-top-level-add-to-load-path '($subdirs))" >> subdirs.el
fi