Re: [PATCH] t/t9902-completion.sh: backslashes in echo

> The usage of backslashes in echo is not portable.  Since some tests
> tries to output strings containing '\b' it is safer to use printf
> here.  The usage of printf instead of echo is also preferred by POSIX.
>
> Signed-off-by: Marcel Telka <marcel@telka.sk>
> ---
>  t/t9902-completion.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
> index 963f865f27..ed3d03367e 100755
> --- a/t/t9902-completion.sh
> +++ b/t/t9902-completion.sh
> @@ -73,7 +73,7 @@ _get_comp_words_by_ref ()
>  print_comp ()
>  {
>  	local IFS=$'\n'
> -	echo "${COMPREPLY[*]}" > out
> +	printf '%s\n' "${COMPREPLY[*]}" > out
>  }