Glenn Fowler wrote:
>
> On Wed, 28 Jan 2009 14:21:22 +0100 Guido Berhoerster wrote:
> > what would be a sensible way to determine the version of the
> > running ksh93? I've thought about parsing .sh.version but it
> > doesn't seem to have a stable format, so far I have encountered
>
> > Version M-12/28/93d (Solaris 10, dtksh)
> > Version M 1993-12-28 s+ (OpenSolaris 2008.11/Debian 4.0)
> > Version M 93s+ 2008-01-31 (Ubuntu 8.10, ksh93)
>
> the last form will be used from now on and can be tested via
> wither of these vars
>
> ${.sh.version}
> $KSH_VERSION
>
> the second field contains letters that correspond to the
> optional compile-time SHOPT_* features (when ksh was built)
>
> A SHOPT_AUDIT
> B SHOPT_BASH
Is it possible reserve "D" (and "typeset -D") for "IEEE 754-2008-style
decimal floating point", please (this differs from normal IEEE754
floating-point math that it uses bash10 instead of base2 and is needed
for stuff like financial applications (somewhere I've queued a longer
email abóut this in my drafts folder)) ?
> J SHOPT_BGX
> L SHOPT_ACCT
> M SHOPT_MULTIBYTE
> P SHOPT_PFSH
BTW: It seems that "P" is currently not used in ast-ksh.2009-02-02 on
Solaris even if |SHOPT_PFSH| is set and <exec_attr.h> is available...
----
Bye,
Roland
--
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