write first, edit later

typewriter.sh

#!/bin/bash

# write first, edit later

# toggles the function of the backspace key between 
# its normal function and that of the delete key

# Keycode might be different for other keyboards!
# to find the right keycode on your hardware use:
# xev -event keyboard

keyValue=$(xmodmap -pke | grep "keycode  22")

if [[ "$keyValue" =~ "BackSpace" ]]; then
    echo "Typewriter mode activated"
    xmodmap -e "keycode 22 = Delete"
else
    echo "Typewriter mode disabled"
    xmodmap -e "keycode 22 = BackSpace"
fi