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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:"
> 
>     address@hidden:~$ X=
>     address@hidden:~$ 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:~$ 



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