Keyboard remapping for easier Emacs

remap-altgr-to-alt-and-capslock-to-ctrl.sh

# ------------------------------------------------------------------------------
# A few key remapping on GNU/Linux, for easier Emacs.
#
# Note: You need a querty keyboard in the first place because it removes the alt-gr key.
#
# Replace : 
#     - capslock by ctrl
#     - altgr    by alt
#
# To have an alt on the right and an easier ctrl on the left.
# For a much better Emacs experience. 
# ------------------------------------------------------------------------------


if [[ $(xmodmap) == *ISO_Level3_Shift* ]]
then
    echo "xmodmap not customized !";
# ------------------------------------------------------------------------------
# Keyboard customization : replace caps lock by control
# ------------------------------------------------------------------------------
    echo "    replacing capsLocks by control ....";
    xmodmap -e 'remove Lock = Caps_Lock'
    xmodmap -e 'keysym Caps_Lock = Control_L'
    xmodmap -e 'add Control = Control_L'
# ------------------------------------------------------------------------------
# Keyboard customization : replace altgr by alt
# ------------------------------------------------------------------------------
    echo "    replacing altgr by leftAlt ....";
    xmodmap -e 'clear mod5'
    xmodmap -e 'add mod1 = Mode_switch'
    xmodmap -e "keysym ISO_Level3_Shift = Alt_L"
else 
    echo "xmodmap already customized !";
fi