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As i do understand, by saving a file in C using wb mode, shouldn’t I see binary numbers in the saved files (zeros and ones).
When I save in wb mode the output in the file is:
Feras Wilson — n FFFF îè` c P xHF F
û¥2012
But this is not binary zeros and ones. How do I save file to contain zeros and ones and then be able to read It in C?
It is saved as 0 and 1, but your text editor reads them as bytes (it groups them in 8 bits) and displays them using ASCII. [1]
When you write to a text file, a lot of effort is done in order to interpret the binary data that you wish to write so it is put in a human readable format.
For example if you write the number
255, it would have to bring it to the form'2','5','5'(which are characters! ) and then write these each character.If it writes to a binary file, it will just put in the file the actually binary data. This depends on what kind of variable it is ( on how many octets is it represent it on ) and on endianess and other things. If it is an unsigned char it will put in the binary file
0b11111111( which is the actual raw number, not characters!).[1] http://www.asciitable.com/