#!/bin/sh
set -e
# add two files (e.g., SIC and SNO) and mask out land

if [ $# -ne 5 ] ; then
  echo "Error in $0: invalid number of arguments $#"
  exit 1
fi

pfx=$1
inp1=$2
inp2=$3
desc=$4
out=$5

access inp1 ${pfx}_${inp1}
access inp2 ${pfx}_${inp2}
access desc ${pfx}_${desc}

add inp1 inp2 inp12
echo "C*SELECT.  STEP         0         0    1         1    1 NAME MASK" | ccc select desc mask
echo "C* FMSKPLT        -1 NEXT   EQ      0.00    1     0.E00    1    1" | ccc fmskplt inp12 ${pfx}_${out} mask

release inp1 inp2 inp12 desc mask .ccc_cards