Wordle in less than 50 lines of Bash

wordle.md

How to use:

./wordle.sh

Or try the unlimit mode:

./wordle.sh unlimit

wordle.sh

url="https://gist.githubusercontent.com/zneak/53f885f1fc5856741cb4/raw/a17a81d15acb8109cda8524c743186901dd269b6/words.txt"
words=($(curl -s $url | grep '^\w\w\w\w\w$' | tr '[a-z]' '[A-Z]'))

actual=${words[$[$RANDOM % ${#words[@]}]]}
end=false
guess_count=0
max_guess=6
if [[ $1 == "unlimit" ]]; then
    max_guess=999999
fi
while [[ $end != true ]]; do
    guess_count=$(( $guess_count + 1 ))
    if [[ $guess_count -le $max_guess ]]; then
        echo "Enter your guess ($guess_count / $max_guess):"
        read guess
        guess=$(echo $guess | tr '[a-z]' '[A-Z]')
        if [[ " ${words[*]^^} " =~ " $guess " ]]; then
            if [[ $actual == $guess ]]; then
                echo "You guessed right!"
                output=""
                for ((i = 0; i < ${#actual}; i++)); do
                    output+="\033[30;102m ${guess:$i:1} \033[0m"
                done
                printf "$output\n"
                end=true
            else
                output=""
                for ((i = 0; i < ${#actual}; i++)); do
                    if [[ "${actual:$i:1}" != "${guess:$i:1}" ]]; then
                        if [[ "$actual" == *"${guess:$i:1}"* ]]; then
                            output+="\033[30;103m ${guess:$i:1} \033[0m"
                        else
                            output+="\033[30;107m ${guess:$i:1} \033[0m"
                        fi
                    else
                        output+="\033[30;102m ${guess:$i:1} \033[0m"
                    fi
                done
                printf "$output\n"
            fi
        else
            echo "Please enter a valid word with 5 letters!";
            guess_count=$(( $guess_count - 1 ))
        fi
    else
        echo "You lose! The word is:"
        echo $actual
        end=true
    fi
done