On Tue, Aug 26, 2008 at 5:33 PM, Dave B <[EMAIL PROTECTED]> wrote:
> Pierre Gaston wrote:
>
>>> > On Tue, Aug 26, 2008 at 5:41 AM, R. Bernstein <[EMAIL PROTECTED]> wrote:
>>> > > Both zsh and ksh have a way to open a file or duplicate a file
>>> > > descriptor and let the interpreter pick the descriptor saving the
>>> > > newly-allocated file descriptor number in a variable. In particular:
>>> > >
>>> > > exec {fd}<&0
>>> Perhaps you are thinking of the variation without braces?
>>>
>>
>> well, I was thinking of the normal redirection syntax:
>> exec 3<&0
>>
>> I doubt '{fd}<&0' is meaningfull anywhere.....in ksh {fd} tries to
>> run the command {fd} like in bash
>> in zsh it tries to run the command "fd"
>> What are you talking about???
>
> I think he refers to the fact that, with ksh, you can do for instance
>
> $ exec {fd}<&0
> $ echo $fd
> 10
> $ exec {fd1}<&0
> $ echo $fd1
> 11
>
> I didn't try on zsh, but with bash you get:
>
> $ exec {fd}<&0
> -bash: exec: {fd}: not found
>
> --
> D.
>
ah sorry I didn't know this syntax
on which ksh version does this work?
exec {fd}<&0
/usr/pkg/bin/ksh93: exec: {fd}: not found
$ exec {fd}<&0
pdksh: {fd}: not found
$ exec {fd}<&0
zsh: command not found: {fd}
