Re: [PATCH 01/40] lib/string_helpers: Drop space in string_get_size's output

From: Liam R. Howlett
Date: Mon May 01 2023 - 17:42:25 EST


* Andy Shevchenko <andy.shevchenko@xxxxxxxxx> [230501 15:57]:
> On Mon, May 1, 2023 at 10:36 PM Kent Overstreet
> <kent.overstreet@xxxxxxxxx> 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@xxxxxxxxx>
> > > >
> > > > 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?
>
> > > 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

This fixes the output to be better aligned with:
the output of ls -sh
the input expected by find -size

Are there counter-examples of commands that follow the SI Brochure?

Thanks,
Liam