check-if-directory-exists-or-does-NOT-exist

Directory Exists

if [[ -d /tmp ]]
then
	echo "Directory /tmp does exists."
fi

[ -d "./target" ] && echo 'Target directory exists'

Directory does not exist

if [[ ! -d /tmp2 ]]
then
	echo "Directory /tmp2 does NOT exists."
  return 1
fi