Mailinglist Archive: zypp-devel (66 mails)

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Re: [zypp-devel] Binary multiplication prefixes and zypp ByteCount
  • From: Michael Andres <ma@xxxxxxx>
  • Date: Tue, 10 Feb 2009 10:56:32 +0100
  • Message-id: <200902101056.32911.ma@xxxxxxx>
On Monday 09 February 2009 15:10:32 Jan Kupec wrote:
No please. The class is named ByteCount and that's why prints
per default "B" as unit. You should not change this semantic.

OK, but then why not adding the B also to the multiples (K -> KB, M ->
MB, ...). Currently it prints B for bytes (OK), but only M for megabytes
(i would expect MB).

Because it followes the convention used by commands like du/df.

Manual page df(1)
...
SIZE may be (or may be an integer optionally followed by) one of
following: kB 1000, K 1024, MB 1000*1000, M 1024*1024, and so
on for G, T, P, E, Z, Y.

That's why you can't simply append a 'B' to 'M' but need the 'i'
inbetween. From an intellctual POV it might appear right to write 'MiB'
instead of 'M', but I suppose most people are as well fine with a
simple 'M'. I actually don't mind, as long as the computed values are
correct, and ByteCount per default prints byte as unit.


If we do it, we should check sw_single dialogs (esp. ncurses) to make
shure the enlarged size fields don't get clipped.

--

cu,
Michael Andres

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