Generando Hashes md5, sha1 y sha256 de una Lista de Archivos

#!/bin/bash
FILES=/media/sf_shared/*.exe
for f in $FILES; do
  echo "hashes for $f file..";
  echo "md5: $(md5sum $f)";
  echo "sha1: $(sha1sum $f)";
  echo "sha256: $(sha256sum $f)"; 
  echo "";
done