On Wed, 10 Dec 2003, Eljay Love-Jensen wrote:
>> Is there any way to read through a file bit by bit, instead of character by character?
>
> You'll have to write your own bit-by-bit reader.
>
> A class that HAS-A ifstream, and whose "get" method returns a bit (via bool or int or enum Bit { Zero, One }).
>
> Shouldn't be very hard.
I am perplexed at what is happening here. This is a simple script that
reads a file one byte at a time, and writes it to another file one byte at
a time, but somehow there is an extra character at the end of the output
file.
$ g++ --version
g++ (GCC) 3.3.2 20031022 (Red Hat Linux 3.3.2-1)
$ g++ binary.cpp
$ ./a.out
$ ls -ls
8 -rw-rw-r-- 1 justin justin 4258 Dec 9 20:11 bin
8 -rw-rw-r-- 1 justin justin 4259 Dec 10 16:14 bout
$ cat binary.cpp
//binary.cpp
#include <fstream>
using namespace std;
int main()
{
char b[ 1 ];
ifstream fin( "bin" );
ofstream fout( "bout" );
while ( fin.good() && ! fin.eof() )
{
fin.read( b, 1 );
fout.write( b, 1 );
}
return 0;
}
Justin
