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How to store an int as hex in c++?

How do you store an int as a hex so that it will only take up 4 bytes. So that if you have a decimal value of 1000 it will store in a file as:
00 00 03 E8 -
I am really stuck on this. Any tips would be great!
Thanks!

storing numbers and displaying numbers are different things. Your computer only sees binary (0 & 1). A computer could show you that value in binary/octal/decimal/hexadecimal without problems, of course most software displays the values in decimal system as this is the most useful for us humans.

"int" datatye is 32 bit. = 4*8bits = 4 bytes

After having saved that 32bit value it's up to the fileviewer-software to make any sense out of it.

Viewing it in notepad will show garbage as notepad tries to display each of the 4 bytes as a text character.

Viewing it in a hex file viewer like Frhed ( http://frhed.sourceforge.net/ ) will show you the 4 bytes in hex that you are after!

(ps: kann ja nur ein Berner sein welcher so was fragt !)

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