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    awk 'BEGIN{
        for(i=ARGV[1];i>0;--i)
            {printf "\r%3d",i;system("sleep 1")}
        printf "\r%3d\n",i}
    ' 25
    
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      AWK just needs a function to print awkward and unusably large text.

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        On a UNIX with an SVR4-like banner you can just run that from awk! You could also use figlet if you have that on hand.

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      Love the big ASCII graphics!