Clearer code in filter_file.
Clearer code in filter_file.

TheTimmy/spack,iulian787/spack,lgarren/spack,TheTimmy/spack,LLNL/spack,skosukhin/spack,LLNL/spack,tmerrick1/spack,matthiasdiener/spack,lgarren/spack,iulian787/spack,LLNL/spack,tmerrick1/spack,mfherbst/spack,iulian787/spack,skosukhin/spack,iulian787/spack,krafczyk/spack,matthiasdiener/spack,matthiasdiener/spack,TheTimmy/spack,mfherbst/spack,tmerrick1/spack,lgarren/spack,LLNL/spack,krafczyk/spack,TheTimmy/spack,skosukhin/spack,iulian787/spack,mfherbst/spack,tmerrick1/spack,EmreAtes/spack,mfherbst/spack,LLNL/spack,krafczyk/spack,mfherbst/spack,EmreAtes/spack,matthiasdiener/spack,lgarren/spack,lgarren/spack,EmreAtes/spack,EmreAtes/spack,krafczyk/spack,skosukhin/spack,skosukhin/spack,tmerrick1/spack,krafczyk/spack,matthiasdiener/spack,EmreAtes/spack,TheTimmy/spack