On 23.02.2017, at 12:25, Jakob Reschke <jakob.reschke at student.hpi.de> wrote:

> 2017-02-23 10:08 GMT+01:00 Tobias Pape <Das.Linux at gmx.de>:
>> I'm onto (2), and frankly, I was surprised to learn that:
>> 
>>        squeak-dir$ mkdir foo
>>        squeak-dir$ chmod -w foo
>> 
>> and then
>>        (FileDirectory default / 'foo') newFileNamed: 'bar'. "==> nil"
>> 
>> this Must Not happen.
> 
> What do you expect instead, an Exception? In StandardFileStream
> open:forWrite: it reads
> 
>    fileID ifNil: [^ nil].  "allows sender to detect failure"
> 
> which means some indirect senders do not seem to pay attention properly.
> 

All of them…