# Completion for mail(1) with abook(1) email addresses declare -F _abook_addresses >/dev/null || source "$HOME"/.bash_completion.d/_abook_addresses.bash # bashdefault requires Bash >=3.0 if ((BASH_VERSINFO[0] >= 3)) ; then complete -F _abook_addresses -o bashdefault -o default mail else complete -F _abook_addresses -o default mail fi