URxvt Customization and Optimization with Xresources

URxvt Customization and Optimization with Xresources

function aa_256 () 
{ 
    local o= i= x=`tput op` cols=`tput cols` y= oo= yy=;
    y=`printf %$(($cols-6))s`;
    yy=${y// /=};
    for i in {0..256};
    do
        o=00${i};
        oo=`echo -en "setaf ${i}\nsetab ${i}\n"|tput -S`;
        echo -e "${o:${#o}-3:3} ${oo}${yy}${x}";
    done
}