checkdirexistdel.sh

#!/bin/bash

#Common function

createpopulatedir () {
   mkdir "$DIRECTORY"
   printf "%s\n" "Copying contents from $PWD to $DIRECTORY."
   cp -r . "$DIRECTORY"
   printf "%s\n" "Copying complete!"
}

#Prompt user for target directory

printf "\033[97m%s\n" "Please enter the directory you wish to copy files to."
printf "\033[31m%s\n" "Warning! All pre-existing files in directory will be deleted!"
printf "\033[97m%s" "Directory:  "
read DIRECTORY

if [ -d "$DIRECTORY" ]; then
   printf "%s\n" "Directory exists, deleting!..."
   rm -rf "$DIRECTORY"
   printf "%s\n" "Recreating empty directory..."
   createpopulatedir
elif [ ! -d "$DIRECTORY" ]; then 
   printf "%s\n" "Directory does not exist, creating..."
   createpopulatedir
fi