#!/bin/sh
set -e
# add two files and computer sum of 3 soil layers

if [ $# -ne 4 ] ; then
  echo "Error in $0: invalid number of arguments $#"
  exit 1
fi

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

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

add inp1 inp2 inp12
echo "          3" | ccc bins inp12 inp12bin
echo "                  3." | ccc xlin inp12bin ${pfx}_${out}

release inp1 inp2 inp12 inp12bin