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 <ebl...@redhat.com> > > + 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