#!/bin/bash

   FILES=( default.cbd )
   COMPREPLY=()

	k=${#FILES[@]}
   for (( i=0; i < $k; i++ )); do
      for j in `grep -s -E 'invoke .*.cbd' ${FILES[i]} | cut -d' ' -f2`; do
         FILES[$k]="$j";
			let k+=1
      done
   done

rm -fr tmp

k=0
for i in ${FILES[@]} ; do
	echo $i >> tmp
done

tmp=`sort -u tmp`
rm -fr tmp
for i in $tmp; do
	if [ -f $i ] ; then
		for j in `grep -E '(if|get)opt [^\s]+' $i | cut -d' ' -f2`; do
			if [[ "$j" != "ifopt" ]] ; then
				echo $j >> tmp
			fi
		done
	fi
done 

k=0
for i in `sort -u tmp`; do
	COMPREPLY[$k]=$i
	let k+=1
done
rm -fr tmp

#echo ${COMPREPLY[*]}