anchor.diff:  1pctCO2,1pctCO2,CanESM2,CCCMA,r1i1p1,,,,,,ua6,,,ua6,,,,ua6,ua6,,ua6,,ua6,ua6,,
   1pctCO2,1pctCO2,CCSM4,NCAR,r1i1p1,,,,,,r87/dbi599,,ua6,r87/dbi599,,,,ua6,ua6,,r87/dbi599,,r87/dbi599,ua6,,
   piControl,piControl,CanESM2,CCCMA,r1i1p1,,,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,ua6,ua6,,ua6,,ua6,,noesgf,
  -piControl,piControl,CCSM4,NCAR,r1i1p1,r87/dbi599,,,ua6,ua6,ua6,ua6,r87/dbi599,ua6,ua6,,,ua6,ua6,,ua6,noesgf,ua6,,noesgf,Inconsistent so units among files. ua6 files corrected with fix_salinity_units.py 
  +piControl,piControl,CCSM4,NCAR,r1i1p1,r87/dbi599,,,ua6,ua6,ua6,ua6,r87/dbi599,ua6,ua6,,noesgf,ua6,ua6,,ua6,noesgf,ua6,,noesgf,Inconsistent so units among files. ua6 files corrected with fix_salinity_units.py 
   piControl,piControl,CSIRO-Mk3-6-0,CSIRO-QCCCE,r1i1p1,ua6,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
   piControl,piControl,FGOALS-g2,LASG-CESS,r1i1p1,ua6,,,,,,ua6,ua6,ua6,ua6,,ua6,ua6,ua6,,ua6,,ua6,,noesgf,
   piControl,piControl,GFDL-CM3,NOAA-GFDL,r1i1p1,,ua6,,ua6,ua6,ua6,ua6,ua6,ua6,,,ua6,ua6,ua6,pxp581/requests,ua6,ua6,ua6,,pxp581/requests,
  
positive.code: historicalMisc,historicalAA,GISS-E2-H,NASA-GISS,r3i1p310,noesgf,noesgf,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,r87/dbi599,noesgf,ua6,ua6,,r87/dbi599,,noesgf,,pxp581/requests,
  historicalMisc,historicalAA,GISS-E2-H,NASA-GISS,r4i1p310,noesgf,noesgf,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,r87/dbi599,noesgf,ua6,ua6,,r87/dbi599,,noesgf,,pxp581/requests,
  historicalMisc,historicalAA,GISS-E2-H,NASA-GISS,r5i1p310,noesgf,noesgf,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,r87/dbi599,noesgf,ua6,ua6,,r87/dbi599,,noesgf,,pxp581/requests,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r1i1p107,ua6,ua6,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r2i1p107,pxp581/requests,pxp581/requests,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r3i1p107,ua6,pxp581/requests,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r4i1p107,pxp581/requests,ua6,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r5i1p107,ua6,ua6,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r1i1p310,ua6,ua6,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,pxp581/requests,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r2i1p310,pxp581/requests,ua6,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,pxp581/requests,
  historicalMisc,historicalAA,GISS-E2-R,NASA-GISS,r3i1p310,ua6,ua6,,noesgf,noesgf,r87/dbi599,r87/dbi599,r87/dbi599,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,pxp581/requests,
  
negative.code: historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r3i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,noesgf,noesgf,use p1,use p1,,use p1,,use p1,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r4i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,noesgf,noesgf,use p1,use p1,,use p1,,use p1,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r5i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,noesgf,noesgf,use p1,use p1,,use p1,,use p1,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r1i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r2i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r3i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r4i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r5i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,use historical,ua6,ua6,,r87/dbi599,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r1i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,use historical,use historical,use p1,use p1,,use p1,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r2i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,use historical,use historical,use p1,use p1,,use p1,noesgf,use historical,,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r3i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,use historical,use historical,use p1,use p1,,use p1,noesgf,use historical,,noesgf,
  