Re: Question about help information for the printf command

[Chet Ramey]

On 9/9/19 10:45 PM, 2477441814 wrote:
> Dear team,
> 
> 
> when I invoke 'help printf' in terminal to view help manual, It shown me '%b 
> %q %(fmt)T' is an addition to printf(1) and printf(3), The online version of 
> bash manual from (http://www.gnu.org/software/bash/manual/bash.html) does 
> samely describe.  but from GNU coreutils 8.22 which installed on my computer, 
> It had support '%b', and GNU coreutils 8.31 support both '%b' and '%q', so I 
> think it's necessary to modify description.

The %b format specifier in printf(1) is a POSIX addition to the formats
that printf(3) supports. The %q and %T specifiers are non-standard and
not supported by all standalone printf implementations.

Chet

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