so () {
    [ -f "$1" ] && source "$1"
}

so "$HOME"/.subbash/export
so "$HOME"/.subbash/shopt


if [[ $- == *i* ]]; then
    so "$HOME"/.subbash/prompt
    so "$HOME"/.subbash/aliases
    so "$HOME"/.subbash/functions
fi

so /etc/bash_completion.d/all