[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Behavior of ${var/*/text} has changed
From: |
Greg Wooledge |
Subject: |
Re: Behavior of ${var/*/text} has changed |
Date: |
Fri, 16 Sep 2016 15:45:39 -0400 |
User-agent: |
Mutt/1.4.2.3i |
On Fri, Sep 16, 2016 at 12:38:20PM -0700, Eric Pruitt wrote:
> first time. However, that construct still won't work because if a
> variable is defined, it will still choose "not empty:"
>
> ericpruitt@sinister:~$ X=
> ericpruitt@sinister:~$ echo ${X+Not empty}
> Not empty
Then you want :+ instead of +
Note that I had :+ (not +) in my original email.
imadev:~$ X=
imadev:~$ echo "${X+Not empty}"
Not empty
imadev:~$ echo "${X:+Not empty}"
imadev:~$
Re: Behavior of ${var/*/text} has changed, Chet Ramey, 2016/09/17