Add ordinal date representation i.e. Mar 2 => Mar 2nd

date

date() {
  case "$@" in
    (*"%o"*) 
      declare -a args1
      declare -a args2
      while [[ -n "$1" ]]; do
        args2+=("$1")
        if [[ "${1:0:1}" != + ]]; then
          args1+=("$1")
        fi
        shift
      done
      case $(command date +%d "${args1[@]}") in
        (01|21|31) dSfx="st";;
        (02|22)    dSfx="nd";;
        (03|23)    dSfx="rd";;
        (*)        dSfx="th";;
      esac
      command date "${args2[@]}" | sed -e "s/%o/${dSfx}/g"
    ;;
    (*)
      command date "$@"
    ;;
  esac
}