Re: Syntax Question...

[Linda Walsh]

` Chet Ramey wrote:
> On 8/18/11 9:37 AM, Greg Wooledge wrote:
>
>   
> > >    The  word  following the redirection operator in the following descrip-
> > >    tions, unless otherwise noted, is subjected to brace  expansion,  tilde
> > >    expansion, parameter expansion, command substitution, arithmetic expan???
> > >    sion, quote removal, pathname expansion, and  word  splitting.
> > >                         ^^^^^^^^^^^^^^^^^^ 
> > >   If  it
> > >    expands to more than one word, bash reports an error.
> > >
> > > It seems to leave off variable expansion.
> > >       
> > I don't understand this... either it should be reporting an error, or
> > it should *not* be expanding the variable.  It doesn't seem to report
> > an error on multiple-file pathname expansions either:
> >
> > imadev:~$ read a <<< *.pdf
> > imadev:~$ echo "$a"
> > *.pdf
> >
> > In fact, it's not even performing the expansion, as far as I can tell.
> >     
>
> The quoted paragraph applies to all redirection operators (and parameter
> and variable expansion are still identical).  The description of <<<
> notes that it does not perform pathname expansion at all.
>   
----
   Um...the description from "<<<",  above indicates it is...subject to 
pathname expansion...If I had matching filesin my dir, it expanded and 
returned them,
so I'm pretty sure it does PN expansion.