// we can't just use whatever is the OS default.
// because, for example, a windows system using git can be configured for EOL handling using
// local, remote, file lists, patterns, etc, rendering assumptions about the OS EOL choice
// wrong for unit tests.
LN = System.getProperty("line.separator");
try (BufferedReader reader = Files.newBufferedReader(big.toPath(),StandardCharsets.UTF_8))
{
// a buffer large enough to capture at least 1 EOL
char cbuf[] = new char[128];
reader.read(cbuf);
String sample = new String(cbuf);