Error of binary reading on dmd 2.067.0

[ketmar via Digitalmars-d-learn]

On Fri, 10 Apr 2015 12:15:58 +0000, MGW wrote:

> I wish to read bytes from a file using the formatted input, but it leads
> to a mistake - std.utf.UTFException at std\stdio.d(2719):
> Invalid UTF-8 sequence.
> 
> // only for dmd 2.067.0 import std.stdio;
> 
> int main (string[] args) {
> 	auto nf = "TestFile.txt";
> 	// I write down a verifying file string s = [65, 225, 67]; File
(nf,
> 	"w").write(s);
> 
> 	// I try to read a file on bytes File f1 = File(nf, "r");
> 	ubyte c;
> 	while(true) {
> 		f1.readf("%d", &c); if(f1.eof) break;
> 		writeln(c, " ");
> 	}
> 	return 0;
> }

are you insisting on using formatted read? it expects valid UTF-8. but 
you can do this instead:

  ubyte[1] c;
  while (f1.rawRead(c[]).length) {
    writeln(c, " ");
  }
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