bold() {
    echo "$(tput bold)$1$(tput sgr0)"
}

red() {
    echo "$(tput setaf 1)$1$(tput sgr0)"
}

green() {
    echo "$(tput setaf 2)$1$(tput sgr0)"
}

yellow() {
    echo "$(tput setaf 3)$1$(tput sgr0)"
}