> > I think the ksh behavior is makes more sense so can we use the current time
> > as the default?
> > 
> > -Clark
> 
> I agree that a null or empty argument as equivalent to -1 is a better 
> default. 
> "0" is identical to the current behavior for empty/unset, so no functionality 
> is lost.

That's not unreasonable.  The current default is what Posix specifies for
printf:

Any extra c or s conversion specifiers shall be evaluated as if a null
string argument were supplied; other extra conversion specifications
shall be evaluated as if a zero argument were supplied. 

> Additionally, an empty format in ksh is equivalent to the date(1) default for 
> the current locale. So, LC_TIME=C; [[ $(printf '%()T') == "$(date)" ]] is 
> true.

Bash uses the strftime '%X' conversion, which is described as the
"locale's appropriate time representation."

Chet

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

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