// note that real length may be less than file length for text files with DOS EOLs
// ('\r's get dropped by CRT when reading which means that we have
// realLen = fileLen - numOfLinesInTheFile)
// note that real length may be less than file length for text files with DOS EOLs
// ('\r's get dropped by CRT when reading which means that we have
// realLen = fileLen - numOfLinesInTheFile)