anchor.diff:  historicalMisc,historicalnoAA,IPSL-CM5A-LR,IPSL,r4i1p4,,,,,,r87/dbi599,,,r87/dbi599,r87/dbi599,r87/dbi599,noesgf,,,ua6,,pxp581/requests,r87/dbi599,,,
   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,,noesgf,ua6,ua6,,ua6,noesgf,ua6,,noesgf,Inconsistent so units among files. ua6 files corrected with fix_salinity_units.py 
  +piControl,piControl,CanESM2,CCCMA,r1i1p1,,,,ua6,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,,noesgf,ua6,ua6,,ua6,noesgf,ua6,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,FGOALS-g2,LASG-CESS,r1i1p1,ua6,,,,,,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,
   piControl,piControl,GFDL-ESM2M,NOAA-GFDL,r1i1p1,,ua6,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,pxp581/requests,
  -piControl,piControl,GISS-E2-H,NASA-GISS,r1i1p1,,,,,,ua6,ua6,ua6,ua6,,,,ua6,ua6,,ua6,,,,noesgf,
  -piControl,piControl,GISS-E2-H,NASA-GISS,r1i1p3,,,,,,nci,r87/dbi599,r87/dbi599,ua6,,,,ua6,ua6,,ua6,,,,pxp581/requests,
  -piControl,piControl,GISS-E2-R,NASA-GISS,r1i1p1,r87/dbi599,,,,,,ua6,ua6,ua6,,,bogus,ua6,ua6,,ua6,,,,noesgf,
  -piControl,piControl,GISS-E2-R,NASA-GISS,r1i1p3,ua6,,,,,,r87/dbi599,r87/dbi599,ua6,,,bogus,ua6,ua6,,ua6,,,,pxp581/requests,
  +piControl,piControl,GISS-E2-H,NASA-GISS,r1i1p1,,,,,,ua6,ua6,ua6,ua6,,,,ua6,ua6,,ua6,,,ua6,noesgf,
  +piControl,piControl,GISS-E2-H,NASA-GISS,r1i1p3,,,,,,nci,r87/dbi599,r87/dbi599,ua6,,,,ua6,ua6,,ua6,,,ua6,pxp581/requests,
  +piControl,piControl,GISS-E2-R,NASA-GISS,r1i1p1,r87/dbi599,,,,,,ua6,ua6,ua6,,,bogus,ua6,ua6,,ua6,,,ua6,noesgf,
  +piControl,piControl,GISS-E2-R,NASA-GISS,r1i1p3,ua6,,,,,,r87/dbi599,r87/dbi599,ua6,,,bogus,ua6,ua6,,ua6,,,ua6,pxp581/requests,
   piControl,piControl,IPSL-CM5A-LR,IPSL,r1i1p1,,ua6,,ua6,ua6,,ua6,ua6,ua6,ua6,,noesgf,,ua6,ua6,ua6,ua6,,,ua6,
   piControl,piControl,IPSL-CM5A-LR,IPSL,r2i1p1,,,,,,,r87/dbi599,r87/dbi599,ua6,ua6,,noesgf,,,,,,,,,
   piControl,piControl,NorESM1-M,NCC,r1i1p1,ua6,,,ua6,ua6,,r87/dbi599,r87/dbi599,ua6,ua6,,ua6,,ua6,ua6,ua6,ua6,,,pxp581/requests,
  
positive.code: experiment,alt_experiment,model,organisation,run,hfds,hfy,hfbasin,tauuo,tauvo,sos,thetao,so,areacello,volcello,depth,basin,tas,pr,pr-ocean,evspsbl,evs,areacella,sftlf,od550aer,comments
  historical,historical,CanESM2,CCCMA,r1i1p1,noesgf,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CanESM2,CCCMA,r2i1p1,noesgf,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CanESM2,CCCMA,r3i1p1,noesgf,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CanESM2,CCCMA,r4i1p1,noesgf,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CanESM2,CCCMA,r5i1p1,noesgf,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CCSM4,NCAR,r1i1p1,ua6,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,noesgf,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CCSM4,NCAR,r4i1p1,ua6,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,noesgf,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CCSM4,NCAR,r6i1p1,ua6,noesgf,,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,noesgf,ua6,ua6,,ua6,noesgf,ua6,,noesgf,
  historical,historical,CSIRO-Mk3-6-0,CSIRO-QCCCE,r1i1p1,ua6,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
  historical,historical,CSIRO-Mk3-6-0,CSIRO-QCCCE,r2i1p1,ua6,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
  historical,historical,CSIRO-Mk3-6-0,CSIRO-QCCCE,r3i1p1,ua6,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
  
negative.code: historicalGHG,historicalGHG,CSIRO-Mk3-6-0,CSIRO-QCCCE,r8i1p1,ua6,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
  historicalGHG,historicalGHG,CSIRO-Mk3-6-0,CSIRO-QCCCE,r9i1p1,ua6,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
  historicalGHG,historicalGHG,CSIRO-Mk3-6-0,CSIRO-QCCCE,r10i1p1,ua6,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,noesgf,ua6,ua6,ua6,
  historicalGHG,historicalGHG,FGOALS-g2,LASG-CESS,r1i1p1,ua6,noesgf,,noesgf,noesgf,noesgf,ua6,ua6,ua6,ua6,ua6,ua6,ua6,ua6,,ua6,,ua6,use historical,noesgf,
  historicalGHG,historicalGHG,GFDL-CM3,NOAA-GFDL,r1i1p1,noesgf,ua6,,ua6,ua6,ua6,ua6,ua6,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,ua6,ua6,ua6,r87/dbi599,pxp581/requests,r87/dbi599,,pxp581/requests,
  historicalGHG,historicalGHG,GFDL-CM3,NOAA-GFDL,r3i1p1,noesgf,ua6,,ua6,ua6,ua6,ua6,ua6,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,ua6,ua6,ua6,r87/dbi599,pxp581/requests,r87/dbi599,,pxp581/requests,
  historicalGHG,historicalGHG,GFDL-CM3,NOAA-GFDL,r5i1p1,noesgf,ua6,,ua6,ua6,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,ua6,ua6,ua6,r87/dbi599,pxp581/requests,r87/dbi599,,pxp581/requests,
  historicalGHG,historicalGHG,GFDL-ESM2M,NOAA-GFDL,r1i1p1,noesgf,ua6,,r87/dbi599,ua6,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,ua6,ua6,ua6,ua6,pxp581/requests,r87/dbi599,,pxp581/requests,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r1i1p1,noesgf,noesgf,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,noesgf,noesgf,ua6,ua6,,ua6,,noesgf,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r2i1p1,noesgf,noesgf,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,noesgf,noesgf,ua6,ua6,,ua6,,noesgf,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r3i1p1,noesgf,noesgf,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,noesgf,noesgf,ua6,ua6,,ua6,,noesgf,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r4i1p1,noesgf,noesgf,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,noesgf,noesgf,ua6,ua6,,ua6,,noesgf,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r5i1p1,noesgf,noesgf,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,noesgf,noesgf,ua6,ua6,,ua6,,noesgf,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r1i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,noesgf,noesgf,use p1,use p1,,use p1,,use p1,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-H,NASA-GISS,r2i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,noesgf,noesgf,use p1,use p1,,use p1,,use p1,use historical,noesgf,
  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,use historical,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,use historical,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,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r1i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,bogus,ua6,ua6,,r87/dbi599,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r2i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,bogus,ua6,ua6,,r87/dbi599,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r3i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,bogus,ua6,ua6,,r87/dbi599,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r4i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,bogus,ua6,ua6,,r87/dbi599,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r5i1p1,r87/dbi599,ua6,,noesgf,noesgf,ua6,ua6,ua6,use historical,noesgf,use historical,bogus,ua6,ua6,,r87/dbi599,noesgf,use historical,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,bogus,use p1,use p1,,use p1,noesgf,use historical,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,bogus,use p1,use p1,,use p1,noesgf,use historical,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,bogus,use p1,use p1,,use p1,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r4i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,use historical,bogus,use p1,use p1,,use p1,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,GISS-E2-R,NASA-GISS,r5i1p3,noesgf,noesgf,,noesgf,noesgf,use p1,use p1,use p1,use historical,noesgf,use historical,bogus,use p1,use p1,,use p1,noesgf,use historical,use historical,noesgf,
  historicalGHG,historicalGHG,IPSL-CM5A-LR,IPSL,r1i1p1,noesgf,r87/dbi599,,r87/dbi599,ua6,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,noesgf,r87/dbi599,ua6,ua6,ua6,pxp581/requests,r87/dbi599,,pxp581/requests,
  historicalGHG,historicalGHG,NorESM1-M,NCC,r1i1p1,r87/dbi599,pxp581/requests,,r87/dbi599,ua6,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,r87/dbi599,noesgf,ua6,ua6,ua6,ua6,pxp581/requests,r87/dbi599,,pxp581/requests,
  historicalNat,historicalNat,CanESM2,CCCMA,r1i1p1,,,,,,ua6,ua6,ua6,ua6,ua6,,ua6,ua6,ua6,,r87/dbi599,,r87/dbi599,,,
  