setup.sh

# /bin/bash

# if ~/.bash_functions does not exist, create it
DAL=".dal"
BASH_FUNCTIONS="$HOME/.bash_functions"

while [[ -e "$HOME/${DAL}" ]]
do
	echo >&2 file "$HOME/${DAL}" already exists 
	read -p "enter a filename to store your aliases in " DAL
done	

touch "$HOME/${DAL}"

echo >&2 created file "${DAL}" 'in' home directory
if [[ ! -e "${BASH_FUNCTIONS}" ]]
then
	cat dal.sh > "${BASH_FUNCTIONS}"
	echo -e "# CREATED BY DAL>>>>>>>\n. ${BASH_FUNCTIONS}\n #<<<<<<<CREATE BY DAL"
	echo created new file ~/.bash_functions and sourced the file in ~/.bashrc

else
	cat dal.sh | sed -e "s/DAL_FILE/${DAL}/g" >> "${BASH_FUNCTIONS}"
	echo appended dal function to ${BASH_FUNCTIONS}
fi
# source .bash_functions to activate dal
. "${BASH_FUNCTIONS}"
&> /dev/null dal
if [[ $? -eq 0 ]]
then
	echo >&2 dal successfully configured.  restart your terminal and run: dal '-h' to veiw help options
else
	echo >&2 something went wrong, dal is not setup.
fi