exit-status-file-type

#!/bin/bash

if [[ $# -ne 1 ]]; then
    echo "Usage: ./file-type <filename>"
fi

if [[ -f $1 ]]; then
    exit 0
fi

if [[ -d $1 ]]; then
    exit 1
fi

exit 2

# $ ./file-type /etc/passwd
# $ echo $?
# 0
# $ ./file-type /etc
# $ echo $?
# 1
# $ ./file-type /dev/tty 
# $ echo $?
# 2