#!/usr/bin/env bash
# File condition tests using [ ] instead of [[ ]]

path=${1:-.}

if [ -d "$path" ]; then
    printf 'Directory: %s\n' "$path"
elif [ -e "$path" ]; then
    printf 'Exists, but is not a directory: %s\n' "$path"
else
    printf 'Does not exist: %s\n' "$path"
fi