simple: read C(++) int and double from file

Posted on 1999-12-02
Medium Priority
Last Modified: 2010-03-05
A simple question:

Some C(++) program has written a lot of ints an doubles to a file. (I know the order of these.) I have to read them in perl (to integers and float point numbers).
Help me with some code.

Ints are 4 bytes, doubles 8.
File byte order: most significant byte first.

I could find it out my self, but have don't have the time right now.

Question by:vaks
LVL 85

Accepted Solution

ozo earned 100 total points
ID: 2250123
$int = unpack('N',$buffer);

Author Comment

ID: 2252382
That was only half the answer, but I have figured the rest out myself.

For those interested, one reads doubles with:

read (FILE, $buffer, 8);
$buffer = reverse($buffer);
$double = unpack('d',$buffer);


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