#!/bin/bash

check_dir_group() {
if [ -G $DIR ] ; then
  echo "dir $DIR belongs to your group"
else
  echo "dir $DIR is foreign to your group"
fi
}

check_dir_owner() {
if [ -G $DIR ] ; then
  echo "dir $DIR belongs to you"
else
  echo "dir $DIR is foreign to you"
fi
}

check_file_group() {
if [ -G $FILE ] ; then
  echo "file $FILE belongs to your group"
else
  echo "file $FILE is foreign to your group"
fi
}

check_file_owner() {
if [ -O $FILE ] ; then
  echo "file $FILE belongs to you"
else
  echo "file $FILE is foreign"
fi
}


for FILE in $(find ./* -type f) ; do
check_file_group
check_file_owner
done

for DIR in $(find ./* -type d) ; do
check_dir_group
check_dir_owner
done