if [[ $2 != "" ]]
then
for d in $(tw -Pd ${1-lib} -e "(type == DIR)")
do
typeset firstdir=${d%/*}
printf '$(LIBDIR)%s%s:INSTALLDIR:' "$2" "${d#$firstdir}"
for f in $d/*
do [[ -f $f ]] && printf ' \\\n\t%s' "$f"
done
printf $'\n\n'
done
else
tw -d ${1-lib} -e "
begin: printf(':: ');
action: if (type == REG) printf('\\\\\\n %s ', path);
end: printf('\\n');
"
fi
