filedownload - verify checksum

file_loader.sh

#!/bin/bash
DL_URL='http://my-remote-url'
# assumes that for each file a same file with .sha256 extension exists 
DUMPS="dlfile1 dlfile2"
for i in ${DUMPS}; do
	while [ "x$(curl --silent "${DL_URL}/${i}.sha256" -o ${i}.sha256 && cat ${i}.sha256 | cut -d ' ' -f 1)" != "x$(sha256sum "${i}" 2>/dev/null | cut -d ' ' -f 1)" ]; do
		echo "Downloading file ${i} ..."
		curl --silent -L -O ${DL_URL}/${i}
	done
done