quadratic/quadratic-tui.sh

#!/bin/sh

ARG_A=$(whiptail --inputbox "Please enter the value for \"a\":" 10 50 --title "Quadratic Calculator" 3>&1 1>&2 2>&3)
                                                                        
exitstatus=$?
if [  $exitstatus != 0 ]; then
echo "User cancelled input."
exit
fi

ARG_B=$(whiptail --inputbox "Please enter the value for \"b\":" 10 50 --title "Quadratic Calculator" 3>&1 1>&2 2>&3)
                                                                        
exitstatus=$?
if [  $exitstatus != 0 ]; then
echo "User cancelled input."
exit
fi

ARG_C=$(whiptail --inputbox "Please enter the value for \"c\":" 10 50 --title "Quadratic Calculator" 3>&1 1>&2 2>&3)
                                                                        
exitstatus=$?
if [  $exitstatus != 0 ]; then
echo "User cancelled input."
exit
fi

quadratic $ARG_A $ARG_B $ARG_C