# Make directory and CD into i.
mkcd () { mkdir -p -- "$1" && cd -P -- "$1" }

ls-awk () { ls -l --color=always | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
             *2^(8-i));if(k)printf("%0o ",k);print}' }

dog-dig () { dog "$1" A AAAA MX NS TXT }