[debbugs-tracker] bug#31912: closed (Question for David MacKenzie - why an mkdir has no silent mode (-f key) like a chmod?)

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Your message dated Thu, 21 Jun 2018 16:23:09 -0500
with message-id <address@hidden>
and subject line Re: bug#31912: Question for David MacKenzie - why an mkdir has 
no silent mode (-f key) like a chmod?
has caused the debbugs.gnu.org bug report #31912,
regarding Question for David MacKenzie - why an mkdir has no silent mode (-f 
key) like a chmod?
to be marked as done.

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31912: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=31912
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--- Begin Message --- Subject: Question for David MacKenzie - why an mkdir has no silent mode (-f key) like a chmod? Date: Wed, 20 Jun 2018 14:18:07 +0300

Hi,

A simple question for David MacKenzie - why an mkdir has no silent mode (-f key) like a chmod?

Bye.



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--- End Message ---

> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#31912: Question for David MacKenzie - why an mkdir has no silent mode (-f key) like a chmod?
>
>
>
>
> Date: 
>
> Thu, 21 Jun 2018 16:23:09 -0500
>
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>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0
>
>
>
>
> tag 31912 notabug
> thanks
>
> On 06/20/2018 06:18 AM, address@hidden wrote:
> > Hi,
> >
> > A simple question for David MacKenzie - why an mkdir has no silent mode (-f 
> > key) like a chmod?
>
> I'm not David (and it's been a while since he's posted anything to this 
> list anyway), but thanks to the wonders of open source, you don't 
> specifically need David to answer your question.
>
> The first reason that 'mkdir -f' does not exist is historical: POSIX 
> doesn't require it, because no one has ever implemented it.  Remember, 
> 'chmod -f' was added more than 30 years ago, and standardized by POSIX 
> because it was common practice.  But without common practice, it's hard 
> to argue that we would be benefitted from having 'mkdir -f'.
>
> The second reason is that 'mkdir -p' probably already does what you 
> think a potential 'mkdir -f' should do.  After all, what errors do you 
> want to suppress other than a directory that already exists?  And 'mkdir 
> -p' IS standardized by POSIX, again with more than 30 years of history.
>
> But if you are really insistent on adding a new option, please describe 
> what it will do that existing options cannot do, rather than just asking 
> why it doesn't exist.  I'm marking the bug report as closed, but we can 
> reopen it later if you have convincing arguments (and a patch is more 
> convincing than just words) of why we'd want to add it.
>
> --
> Eric Blake, Principal Software Engineer
> Red Hat, Inc.           +1-919-301-3266
> Virtualization:  qemu.org | libvirt.org
>
>
> --- End Message ---