Re: [Help-bash] Brace expansion with empty args

[Greg Wooledge]

On Wed, Jun 12, 2013 at 11:13:43AM +0300, Pierre Gaston wrote:
> {,} just expands to two unquoted nothing and results in nothing
> if you quote the nothing you get 2 empty strings:
> 
> $ set ''{,};echo $#
> 2

{,} and ''{,} are not the same.

imadev:~$ printf '<%s> ' {,}; echo
<> 
imadev:~$ printf '<%s> ' ''{,}; echo
<> <> 

Also:

imadev:~$ printf '<%s> ' {,,,}; echo
<>