#!/bin/csh -f
set verbose
 
set tracers = (`cat list`)
 
foreach tracer ($tracers)
echo $tracer
sed  s/TRACER/$tracer/ my_gx3v7_nml_sed > my_gx3v7_nml_INPUT
cat my_gx3v7_nml_INPUT
regrid < my_gx3v7_nml_INPUT >&! output_$tracer
end