Re: typeset -p on an empty integer variable is an error. (plus -v test w/ array elements)

[John Kearney]

Am 14.01.2013 22:09, schrieb Ken Irving:
> On Mon, Jan 14, 2013 at 08:57:41PM +0100, John Kearney wrote:
>> ...
>> btw
>> || return $?
>>
>> isn't actually error checking its error propagation.
> Also btw, I think you can omit the $? in this case;  from bash(1):
>
>     return [n]
>         ...
>         If n is omitted, the return status is that of the  last  command
>         executed  in the function body.  ...
>
> and similarly for exit:
>
>     exit [n]
>         ...  If  n  is  omitted,
>         the exit status is that of the last command executed.  ...
>
> Ken
>
Thanks yhea your right, but I think its clearer to include it especially
for people with less experience. I try to be as explicit as possible.
Perl cured me of my taste for compactness in code . ;)