bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
if [ "$PS1" ] && [ $bmajor -eq 2 ] && [ $bminor '>' 04 ] \
   && [ -f /etc/bash_completion ]; then # interactive shell
        # Source completion code
        . /etc/bash_completion
elif [ "$PS1" ] && [ $bmajor -eq 3 ] \
   && [ -f /etc/bash_completion ]; then # interactive shell
        # Source completion code
        . /etc/bash_completion
fi
unset bash bmajor bminor