DIR=EC_Tx_Tm  # EC_TP
Prefix=TX_TM_cf_
for iy in {2001..2020}; do
    for idate in `cat hdate.txt`; do
        fname=${DIR}/${Prefix}${iy}-${idate}.nc
        #if [ -e ${fname} ] ; then
        #   echo ${fname} " exist"
        #else
        #   echo ${fname} " does not exists"
        #fi
        cdo ifthen ../../S2S/2024/Mask_R6_0.125_S2S.nc ${fname} tmp.nc
        mv tmp.nc ${fname}
     done
done   

DIR=EC_TP
Prefix=LH_SH_OLR_TP_cf_
for iy in {2001..2020}; do
    for idate in `cat hdate.txt`; do
        fname=${DIR}/${Prefix}${iy}-${idate}.nc
        cdo ifthen ../../S2S/2024/Mask_R6_0.125_S2S.nc ${fname} tmp.nc
        mv tmp.nc ${fname}
     done
done