Re: diff_opts initialization missing in examples/test

[Martin Rehak]

Hi Akim,

thank you!

Regards
-- 
Martin

On November 20, 2020 6:42 am Akim Demaille wrote:
> Hi Martin,
> 
> Thanks, I'm installing this:
> 
> commit 2ca158c893ed6a568c582d9c006bdc209a63267c
> Author: Martin Rehak <martin.rehak@oracle.com>
> Date:   Wed Nov 18 09:10:01 2020 +0100
> 
>     examples: avoid "unbound variable" errors
>     
>     When the shell option `nounset` is set, we may get "unbound variable"
>     errors.
>     
> https://urldefense.com/v3/__https://lists.gnu.org/r/bug-bison/2020-11/msg00013.html__;!!GqivPVa7Brio!MarTsgRGOfZ4UnRDfV_ftpMB3Yoq15rtjdF5qD4d6RZLrkzvxaXwafo7hOZPFyuU1A$
>  
>     
>     * examples/test (diff_opts): Be sure to initialize it.
> 
> diff --git a/examples/test b/examples/test
> index 81076701..7590e128 100755
> --- a/examples/test
> +++ b/examples/test
> @@ -37,6 +37,7 @@ strip_prompt=false
>  # If diff supports --strip-trailing-cr, use it, to avoid EOL issues
>  # when testing Java programs on Windows.
>  echo "checking for diff --strip-trailing-cr..."
> +diff_opts=
>  if diff --strip-trailing-cr "$1" "$1"; then
>    diff_opts=--strip-trailing-cr
>  fi
> 
>