#! /bin/sh case "$1" in on) echo 'VIM_COLORSCHEME=light' | tee "$HOME/.config/environment.d/light.conf" ;; off) echo 'VIM_COLORSCHEME=dark' | tee "$HOME/.config/environment.d/light.conf" ;; *) echo "Usage: $(basename $0) on|off" >&2 exit 1 ;; esac