On 9/5/23 4:32 PM, Dragan Simic wrote:
On 2023-09-05 22:25, Chet Ramey wrote:
On 9/5/23 3:58 PM, enh wrote:
On Fri, Sep 1, 2023 at 6:59 AM Chet Ramey <chet.ra...@case.edu> wrote:

I think you'll find that, regardless of its origins, there are more scripts
using the %b specifier than you think.

i'd personally never heard of printf(1) %b before this thread, but
debian code search agrees with you:

It's a POSIX invention dating from at least 1991 (P1003.2-D11).

The POSIX guidance to use it as a portable way to replace SysV echo has
dated from the same time. It's a pretty big lift to suddenly invalidate
all that prior art. ("POSIX giveth, and POSIX taketh away.").

Are there any official explanations why is the invalidation actually happening now?

https://lists.gnu.org/archive/html/bug-bash/2023-08/msg00112.html

C23 is going to use %b to print binary literals.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    c...@case.edu    http://tiswww.cwru.edu/~chet/


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