Check empty files in list

file_check.sh

#!/usr/bin/env bash

_LIST=$1
echo "Reading files in ${_LIST}"

while IFS="" read -r line || [ -n "${line}" ]
do
	if [[ -s ${line} ]]; then echo "${line}: NOT EMPTY"; else echo "${line}: EMPTY"; fi
	cat ${line} >> test_if_empty.txt
done < ${_LIST}