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

[Chet Ramey]

On 6/14/13 12:20 AM, Masaki Saito wrote:
> Thanks Pierre, Greg.
> 
> I had thought that `nothing' is same as null string.

Nothing (no word at all) is not the same as a null string ("").

> But manual says that preamble and postscript are optional.
> So I thought that like bellow.
> {,c} is a same format as a{,c} except preamble.
> So these generate two strings.

No.  This generates one word.

Chet
-- 
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Chet Ramey, ITS, CWRU    address@hidden    http://cnswww.cns.cwru.edu/~chet/