function Usage { 
  echo "Usage: $0 <testName>"
  echo "       where <testName> is for instance  shallow_openad"
  echo "       executed in code_<testName>/RefTrans"
}
if [ $# -ne 1 ] 
then 
  echo "Error: missing argument"
  Usage $*
  exit -1
fi
testName=$1
currPath=${PWD%%/code_${testName}/RefTrans}
if [ "$currPath/code_${testName}/RefTrans" != "$PWD" ] 
then 
  echo "Error: not in code_${testName}/RefTrans"
  Usage $*
  exit -2
fi
fileList='ad_input_code_sf.f ad_input_code_sf.w2f.f ad_input_code_sf.w2f.canon.f ad_input_code_sf.w2f.canon.xaif ad_input_code_sf.w2f.canon.xb.xaif ad_input_code_sf.w2f.canon.xb.x2w.w2f.f ad_input_code_sf.w2f.canon.xb.x2w.w2f.rs.f ad_input_code_sf.w2f.canon.xb.x2w.w2f.rs.pp.f ad_input_code.w2f.canon.xb.x2w.w2f.rs.pp.f all_mods.xb.x2w.w2f.pp.f m.out'
for i in `echo ${fileList}`
do 
  gunzip -c ${i}.gz > ${i}
  echo "$i old reference (<) vs new file (>)"
  echo "------------------------------------------------------------------------------" 
      echo "copying"
      cp ../../../../../MITgcm/verification/OpenAD/build_${testName}/$i $i
      gzip -f ${i}
done