Re: [PATCH 2/2] docs: mention ksh file descriptor limitation

[Stefano Lattarini]

Hi Eric.

At Friday 30 July 2010, Eric Blake wrote:
> * doc/autoconf.texi (File Descriptors): Document issue with fd 10
> and above.
> Reported by Ralf Wildenhues.
> ---
>  ChangeLog         |    5 +++++
>  doc/autoconf.texi |   14 ++++++++++++++
>  2 files changed, 19 insertions(+), 0 deletions(-)
> 
> diff --git a/ChangeLog b/ChangeLog
> index 278a565..0ef1fd3 100644
> --- a/ChangeLog
> +++ b/ChangeLog
> @@ -1,5 +1,10 @@
>  2010-07-29  Eric Blake  <address@hidden>
> 
> +     docs: mention ksh file descriptor limitation
> +     * doc/autoconf.texi (File Descriptors): Document issue with fd 10
> +     and above.
> +     Reported by Ralf Wildenhues.
> +
>       docs: mention cd limitation
>       * doc/autoconf.texi (Limitations of Builtins) <cd>: Document
>       issues with empty argument.
> diff --git a/doc/autoconf.texi b/doc/autoconf.texi
> index 493b9dc..7e804a7 100644
> --- a/doc/autoconf.texi
> +++ b/doc/autoconf.texi
> @@ -15041,6 +15041,20 @@ File Descriptors
>  obsolete, so it's now safe to treat file descriptors 3 and 4 like
> any other file descriptors.
> 
> +On the other hand, you can't portably use multi-digit file descriptors.
> +Solaris @command{ksh} doesn't understand any file descriptor larger
> +than @samp{9}:
> +
FWIW, Solaris /bin/sh and /usr/xpg4/bin/sh don't understand it, too.
Is this worth documenting?

Regards,
   Stefano