anchor.diff:     bindrcpp_0.2.2.tar.gz \
      pkgconfig_2.0.2.tar.gz \
      plogr_0.2.0.tar.gz \
  -   purrr_0.2.4.tar.gz \
  +   purrr_0.2.5.tar.gz \
      tidyselect_0.2.4.tar.gz \
      dplyr_0.7.6.tar.gz 
   
  
positive.code:    plogr_0.2.0.tar.gz \
     bindr_0.1.1.tar.gz \
     bindrcpp_0.2.2.tar.gz \
     purrr_0.2.4.tar.gz \
     tidyselect_0.2.4.tar.gz \
     dplyr_0.7.6.tar.gz 
  
  
negative.code:    https://mirrors.nics.utk.edu/cran/src/contrib/bindrcpp_0.2.2.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/pkgconfig_2.0.2.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/plogr_0.2.0.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/purrr_0.2.5.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/tidyselect_0.2.4.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/dplyr_0.7.6.tar.gz \
     https://mirrors.nics.utk.edu/cran/src/contrib/assertthat_0.2.0.tar.gz \
  