#!/bin/bash

FILE=$1

bash --show-requires "$FILE" |sort -u |uniq -u > /tmp/showrq.$$

while read LINE ; do
	# input from looks like this:
	# executable(chmod) or executable(configure_source)
	# carve out what's in parentheses
	DEP=${LINE##*(}
	DEP=${DEP%)*}
	case $DEP in
		*'`') DEP=${DEP//'`'/}
	esac
	# If it's in the path it really is a program
	# --show-requires will also show function names
	# as being executable
	if [[ $(which $DEP 2>/dev/null ) ]] ; then
		echo ${DEP}
	elif [[ $(grep "$DEP" $FILE |grep '()') ]] ; then
		case $IGNORE_FUNCTIONS in
			1) : ;;
			*) echo "function $DEP"
		esac
	else
		case $DEP in
			#*_*) echo "looks like a function" ;;
			*_*) : ;;
			*) echo "Unfound $DEP" ;;
		esac
	fi
	
done < /tmp/showrq.$$

rm -f /tmp/showrq.$$