only use output if it is defined
only use output if it is defined

bramley/phplist3,bramley/phplist3,danwaterloo/phplist3,mariez/phplist3,mariez/phplist3,phpList/phplist3,phpList/phplist3,samtuke/phplist3,danwaterloo/phplist3,danwaterloo/phplist3,phpList/phplist3,phpList/phplist3,samtuke/phplist3,mariez/phplist3,bramley/phplist3,danwaterloo/phplist3,phpList/phplist3,mariez/phplist3,bramley/phplist3,mariez/phplist3,samtuke/phplist3,bramley/phplist3,samtuke/phplist3,samtuke/phplist3,danwaterloo/phplist3