ServerSetupDelta/user_alias at main · novice0192/ServerSetupDelta · GitHub

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alias makeTransaction='
curbal=$(cat $HOME/Current_Balance.txt);
echo "Welcome to Omega Bank";
echo "Your current balance is: $curbal";
echo "Do you wish to Withdraw(w) or Deposit(d)";
read action;
if [ "$action" == "w" ];
then
	echo "Enter amount to withdraw";
	read amount;
	if (( $(echo "$amount > 0" | bc -l) ));
	then
		bal_left=$(echo "scale=2; $curbal-$amount" | bc);

		if (( $(echo "$curbal > $amount" | bc -l) ));
		then
			echo $bal_left > $HOME/Current_Balance.txt;
			echo "$USER -$amount $(date +%F) $(date +%T)" >> $HOME/Transaction_History.txt;
		else
			echo "Insufficient balance";
		fi;
	else
		echo "Enter positive amount";
	fi;
elif [ "$action" == "d" ];
then
	echo "Enter amount to deposit";
	read amount;
	bal_left=$(echo "scale=2; $curbal+$amount" | bc);
	if (( $(echo "$amount > 0" | bc -l) ));
	then
		echo $bal_left > $HOME/Current_Balance.txt;
		echo "$USER +$amount $(date +%F) $(date +%T)" >> $HOME/Transaction_History.txt;
	else
		echo "Enter positive amount";
	fi;
else
	echo "Invalid option";
fi;'