anchor.diff:  RUN apt-get update -qq --yes > /dev/null && \
       apt-get install --yes -qq \
           libpython2.7 > /dev/null
  +
  +# libraries required for mothur 
  +# libreadline6 required
  +RUN apt-get update -qq --yes > /dev/null && \
  +    apt-get install --yes -qq \
  +    libreadline6-dev > /dev/null
   
   # Install these without 'recommended' packages to keep image smaller.
   # Useful utils that folks sort of take for granted
  
positive.code:         libnss3 \
          libxss1 \
          > /dev/null
  
  WORKDIR /home/jovyan
  
  
negative.code: RUN bash /tmp/bio1b-packages.bash 
  
  # install ib134L packages
  
  COPY ib134-packages.bash /tmp/ib134-packages.bash
  RUN bash /tmp/ib134-packages.bash
  