#!/bin/sh

if [ "$1" = "" ]; then
	echo "Usage: $0 TYPE files"
else if [ "$1" = "-h" ]; then
	echo "Usage: $0 TYPE files"
	echo "Filters out files of type TYPE"
	echo ""
	echo "TYPE	meaning"
	echo "-b	Block special file"
	echo "-c	Special character file"
	echo "-d	Directory"
	echo "-e	Exists"
	echo "-f	Not a directory"
	echo "-G	Exists and is owned by effective group-ID"
	echo "-g	Set-group-id bit is set"
	echo "-k	Sticky bit is set"
	echo "-L	Symbolic link"
	echo "-O	Exists and is owned by effective user-ID"
	echo "-r	Readable"
	echo "-S	Socket file"
	echo "-s	Size is nonzero"
	echo "-u	Set-user-id bit is set"
	echo "-w	Writable"
	echo "-x	Executable"
	echo ""
	echo "Example: To list only directories:"
	echo "$0 -d *"
else
	for i in "$@"; do
		if [ "$1" "$i" ]; then
			echo $i
		fi
	done

fi
fi