[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: `printf -v foo ""` does not set foo=

From: Mike Frysinger
Subject: Re: `printf -v foo ""` does not set foo=
Date: Mon, 24 Jun 2013 18:52:55 -0400
User-agent: KMail/1.13.7 (Linux/3.8.3; KDE/4.6.5; x86_64; ; )

On Monday 24 June 2013 16:13:01 Chet Ramey wrote:
> On 6/17/13 1:27 AM, Mike Frysinger wrote:
> > simple test code:
> >     unset foo
> >     printf -v foo ""
> >     echo ${foo+set}
> > 
> > that does not display "set".  seems to have been this way since the
> > feature was added in bash-3.1.
> printf returns immediately if the format string is null.  It has always
> been implemented this way.

seems like when the -v arg is in use, that [otherwise reasonable] shortcut 
should be not taken ?

Attachment: signature.asc
Description: This is a digitally signed message part.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]