2 [ -z "$BASH_VERSION" ] && return
4 bash=${BASH_VERSION%.*}; bmajor=${bash%.*}; bminor=${bash#*.}
5 if [ "$PS1" ] && [ $bmajor -eq 2 ] && [ $bminor '>' 04 ] \
6 && [ -f /etc/bash_completion ]; then # interactive shell
7 # Source completion code
11 unset bash bmajor bminor