#!/bin/bash

## Just run code in recipes, use it carefully
## example: use cdo to make cache file. Since cdo is quicker than ncl.
#;DIAG_NORCPM; RUNTHESECODES: echo '    no codes run here.'

if [ -f "sst_ensmean_JJA.nc" ] ;then 
    echo "sst_ensmean_JJA.nc exist, skip."
else
    cdo -s -ensmean sst_??_JJA.nc sst_ensmean_JJA.nc
fi