#!/usr/bin/env bash

wrong_time='1980-01-01T00:00:00'

infiles=$(ls Tmin*.nc)

for f in $infiles
do
    echo "$f\n----------------------------------" 
    outfile="${f%.nc}_remap.nc" 

    last_t=$(cdo -s -showtimestamp -seltimestep,-1 $f | sed -e 's/ //g')

    cmd_deltime="" 

    if [ $last_t == $wrong_time ]; then
        cmd_deltime="-seltimestep,1/-2" 
        echo "---- $f  -- $cmd_deltime" 
    fi

    cdo -setreftime,1980-01-01,00:00:00,1days \
        -setcalendar,365_day \
        ${cmd_deltime} \
        -del29feb \
        $f $outfile
done