Basic question about stderr

[chaseratx via Digitalmars-d-learn]

On Saturday, 21 May 2016 at 21:40:36 UTC, Era Scarecrow wrote:
> On Saturday, 21 May 2016 at 21:21:31 UTC, chaseratx wrote:
>> I'm learning D and I have a basic question.
>>
>> I'm trying to write stderr to a file using open() (rather than 
>> shell piping/redirection).  It works for stdout but doesn't 
>> seem to work with stderr.
>>
>> http://pastebin.com/KgzR9wAF
>>
>> stdout is written to the file, but stderr is not and outputs 
>> to the shell.  I'm not sure why.  I Googled but couldn't find 
>> an answer.  Any hints?
>
>   // <= causes range violation, might use foreach instead
>   while (i < numbers.length) {
>     write(numbers[i], " ");
>     stderr.write(numbers[i]*10); //force stderr, 10x to 
> differentiate output
>
>     with (stderr) {              //also force stderr
>       write(" ");
>     }

Thanks Era, but I am not trying to fix the range error.  That was 
put there intentionally to create stderr output.  I'm trying to 
figure out how to get ALL stderr output directed to a file the 
same as if I had used a "2>error.log" redirect from the command 
line.