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Date:   Mon, 1 May 2023 17:16:59 -0400
From:   Kent Overstreet <kent.overstreet@linux.dev>
To:     Andy Shevchenko <andy.shevchenko@gmail.com>
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Subject: Re: [PATCH 01/40] lib/string_helpers: Drop space in
 string_get_size's output
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On Mon, May 01, 2023 at 10:57:07PM +0300, Andy Shevchenko wrote:
> On Mon, May 1, 2023 at 10:36 PM Kent Overstreet
> <kent.overstreet@linux.dev> wrote:
> >
> > On Mon, May 01, 2023 at 11:13:15AM -0700, Davidlohr Bueso wrote:
> > > On Mon, 01 May 2023, Suren Baghdasaryan wrote:
> > >
> > > > From: Kent Overstreet <kent.overstreet@linux.dev>
> > > >
> > > > Previously, string_get_size() outputted a space between the number and
> > > > the units, i.e.
> > > >  9.88 MiB
> > > >
> > > > This changes it to
> > > >  9.88MiB
> > > >
> > > > which allows it to be parsed correctly by the 'sort -h' command.
> 
> But why do we need that? What's the use case?

As was in the commit message: to produce output that sort -h knows how
to parse.

> > > Wouldn't this break users that already parse it the current way?
> >
> > It's not impossible - but it's not used in very many places and we
> > wouldn't be printing in human-readable units if it was meant to be
> > parsed - it's mainly used for debug output currently.
> >
> > If someone raises a specific objection we'll do something different,
> > otherwise I think standardizing on what userspace tooling already parses
> > is a good idea.
> 
> Yes, I NAK this on the basis of
> https://english.stackexchange.com/a/2911/153144

Not sure I find a style guide on stackexchange more compelling than
interop with a tool everyone already has installed :)