I experience the exact same problem on Windows 7 64-bit.
> import std.stdio;
>
> int main() {
> char[] buf;
> while (stdin.readln(buf))
> write(buf);
> return 0;
> }If compiled as "test.exe", running the following command: > echo "test line 1" | test Produces the following result: > std.stdio.StdioException: Bad file descriptor > "test line 1" >
