ipfrec

ipfrec() {
	ipfrecint() {
		OBJECT_LIST=$(ipfs files ls -l "$1" | rev)
		while read -r OBJECT
		do
			[[ "$OBJECT" == "" ]] && continue
			ONAME=$(echo "$OBJECT" | awk '{print substr($0, index($0,$3))}' | rev)
			OSIZE=$(echo "$OBJECT" | awk '{print $1}' | rev)
			OHASH=$(echo "$OBJECT" | awk '{print $2}' | rev)
			if [[ $1 == "/" ]] ; then
				SUBPATH="$1$ONAME"
			else
				SUBPATH="$1/$ONAME"
			fi
			if [ "$OSIZE" -eq "0" ] ; then
				! $FILESONLY && echo -e "dir:\t$OHASH\t$SUBPATH"
				if [ "$MAXD" -eq "0" ] ; then
					ipfrecint "$SUBPATH"
				else
					SLASHN=$(echo "$SUBPATH" | awk -F/ '{print NF-1}')
					if [ "$SLASHN" -eq "$MAXD" ] ; then
						continue
					else
						ipfrecint "$SUBPATH"
					fi
				fi
			elif [ "$OSIZE" -gt "0" ] ; then
				! $DIRSONLY && echo -e "file:\t$OHASH\t$SUBPATH\t$OSIZE"
			fi
		done < <(echo "$OBJECT_LIST")
	}
	if [[ $(ipfs 2>/dev/null) == "" ]] ; then
		echo "Error: IPFS is either not installed or not in your \$PATH" >&2
		return 1
	fi
	FILESONLY=false
	DIRSONLY=false
	MAXD="0"
	while :; do
		case $1 in
			-d|--directories)
				DIRSONLY=true
				;;
			-f|--files)
				FILESONLY=true
				;;
			-m|--maxdepth)
				shift
				MAXD="$1"
				REGEX='^[0-9]+$'
				if ! [[ $MAXD =~ $REGEX ]] ; then
					echo "Error: an alternate argument for option -m needs to be a positive integer (default: 0 = full scan)." >&2
					return 1
				fi
				;;
			--)
				shift
				break
				;;
			-?*)
				echo "Error: invalid option: $1" >&2
				return 1
				;;
			*)
				break
		esac
		shift
	done
	if $FILESONLY && $DIRSONLY ; then
		FILESONLY=false
		DIRSONLY=false
	fi
	if [[ $@ == "" ]] ; then
		ipfrecint /
	else
		for FILESPATH in "$@"
		do
			ipfrecint "$FILESPATH"
		done
	fi
}