follow.bash

f()
{
    LAST=$(fc -l | tail -1 | sed 's/^\s*[0-9]\+\s\+//')
    CMMD=${LAST%% *}
    if [[  ${CMMD} == "mkdir" ]]; then
        cd "${LAST#* }"
    elif [[ ${CMDD} == "cd" ]]; then
        cd -
    elif [[ ${CMDD} == "fish" ]]; then
        cd -
    else
        echo "PART 1 is ${LAST[1]}"
        echo "PART 2 is ${LAST[2]}"
        echo "CMMD is ${CMMD}"
        echo "LAST is ${LAST}"
    fi
}