sudo

#!/bin/sh

stampfile=/tmp/sudo.${USER}.stamp

if [[ -t 1 ]]
then
    if (test -f ${stampfile} && test `find "${stampfile}" -mmin +180`) || [ ! -f ${stampfile} ]
    then
        read -p "Are you sure to invoke this command in administrator mode? [Y/n] " answer
        case $(echo $answer | tr [:upper:] [:lower:]) in
        n|no)
                return
                ;;
        *)
                touch ${stampfile}
                exec /usr/bin/sudo "$@"
                ;;
        esac
    else
        exec /usr/bin/sudo "$@"
    fi
else
    exec /usr/bin/sudo "$@"
fi