How to set padding for base64 encoding

[rikki cattermole via Digitalmars-d-learn]

On 08/04/2016 12:39 AM, Suliman wrote:
> On Thursday, 7 April 2016 at 12:30:59 UTC, rikki cattermole wrote:
>> On 08/04/2016 12:19 AM, Kagamin wrote:
>>> Create a range that would remove the newline characters from string,
>>> then decode from that.
>>
>> Can confirm, its \n and \r that is causing the problems here.
>
> with:
> std.file.write("output.png", Base64.decode(myimg.replace("\r\n", "")));
>
> I am getting same issue. But it should remove all new lines...

ok split myimg value into another file, remove all \r and \n separately 
via e.g. tr.
Then read it in, that's what I did.