if [ "$content" = "hello" ] || [ "$content" = "kitty" ] then echo "content is hello or kitty" elif [ "$content" = "red" ] || [ "$content" = "yellow" ] then echo "content is red or yellow" fi
特别注意:"]"和""之间无空格
if [ "$content" = "hello" ] || [ "$content" = "kitty" ] then echo "content is hello or kitty" elif [ "$content" = "red" ] || [ "$content" = "yellow" ] then echo "content is red or yellow" fi
特别注意:"]"和""之间无空格