Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #15751 > unrolled thread

Re: Unicode range and enumeration support.

Started byGreg Wooledge <wooledg@eeg.ccf.org>
First post2019-12-18 15:13 -0500
Last post2019-12-18 15:13 -0500
Articles 1 — 1 participant

Back to article view | Back to gnu.bash.bug

This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by below is the oldest one visible, not the original post.


Contents

  Re: Unicode range and enumeration support. Greg Wooledge <wooledg@eeg.ccf.org> - 2019-12-18 15:13 -0500

#15751 — Re: Unicode range and enumeration support.

FromGreg Wooledge <wooledg@eeg.ccf.org>
Date2019-12-18 15:13 -0500
SubjectRe: Unicode range and enumeration support.
Message-ID<mailman.1102.1576700003.1979.bug-bash@gnu.org>
On Wed, Dec 18, 2019 at 03:08:20PM -0500, Eli Schwartz wrote:
> So all bash needs to do to print {Z..a} is to take Z == ASCII decimal 90
> and a == ASCII decimal 97, then enumerate the numbers 90-97 and
> translate them into ascii. No locale awareness is needed, no heuristics,
> no invocation of the locale subsystem, you don't even need to hardcode
> the ASCII range in source code.

Until you want to use bash on an EBCDIC system. ;-)

> And that's why bash can support enumerating a range of ASCII characters
> in LC_COLLATE=C order, when it cannot (easily) do so using other locales.

Yup.

[toc] | [standalone]


Back to top | Article view | gnu.bash.bug


csiph-web