#!/bin/sh # Check file exists FILE=/etc/resolv.conf if [ -f "$FILE" ]; then echo "$FILE exists." else echo "$FILE does not exist." fi [ -f /etc/resolv.conf ] && echo "/etc/resolv.conf exists." # Check directory exists DIR=/etc/docker if [ -d "$DIR" ]; then echo "$DIR is a directory." fi [ -d /etc/docker ] && echo "/etc/docker is a directory."