anchor.diff:  	&& make install \
   	&& make clean \
   	&& cd /root ; rm -rf /root/vsearch-2* 
  +
   ### install CWL runner
   RUN pip install cwlref-runner
  +
  +# copy files into image
  +COPY mgcmd/* bin/* /usr/local/bin/
  +COPY lib/* /usr/local/lib/site_perl/
  +COPY superblat /usr/local/bin/
  +RUN for i in /usr/local/bin/mgrast_* ; do awe=`echo $i | sed -e "s/mgrast_/awe_/g"` ; ln -s $i $awe ; done
  +RUN chmod 555 /usr/local/bin/* && strip /usr/local/bin/superblat
  
positive.code: 
  ### install vsearch 2.43
  RUN cd /root \
          && wget https://github.com/torognes/vsearch/archive/v2.4.3.tar.gz \
  	&& tar xzf v2*.tar.gz \
  	&& cd vsearch-2* \
  	&& sh ./autogen.sh \
  
negative.code: 	perl-modules \
     	python-numpy \
  	python-pika \
      python-pip \
  	python-scipy \
  	python-sphinx \
  	unzip \
  	wget \
  	curl
  
  #### install BLAT from src
  RUN cd /root \
  