Newbie: how to read and analyse a binary file?
Posted: Fri May 16, 2003 3:02 am
I want to reuse my own database written in C++. A record in C++ like that:
CPerson {
CString name, addr; int age;
Save (CArchive &ar) { ar << name; ar << addr; ar << age; }
};
So far I have just learned how to read all data into string as the following code:
But I am stuck, don't know how to analyse the data to get datas of records (say, to print out all names and ages).
Please help, many thanks in advance.
CPerson {
CString name, addr; int age;
Save (CArchive &ar) { ar << name; ar << addr; ar << age; }
};
So far I have just learned how to read all data into string as the following code:
Code: Select all
$filename = "mydata.dat";
$fd = fopen ($filename, "rb");
$contents = fread ($fd, filesize ($filename));
fclose ($fd);Please help, many thanks in advance.