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