RE: [PATCH] tests: use printf, not echo in init.sh's warn_ function

[Voelker, Bernhard]

Jim Meyering wrote:
> James Youngman wrote:
>> ( IFS=' '; printf '%s\n' "$*"; )
>>
>> is perhaps slightly more reproducible.
>
> Good suggestion.  Setting IFS does seem prudent.
> However, I'm inclined to use a subshell only if necessary:
>
> warn_ ()
> {
>   case $IFS in
>     ' '*)         printf '%s\n' "$*" 1>&$stderr_fileno_   ;;
>     *) ( IFS=' '; printf '%s\n' "$*" 1>&$stderr_fileno_ ) ;;
>   esac
> }

is a subshell really needed to change IFS?

  warn_ ()
  {
    IFS=' '  printf '%s\n' "$*" 1>&$stderr_fileno_
  }

or don't all shells understand this?

Have a nice day,
Berny