On 10/6/14, 3:38 PM, Linda Walsh wrote:
> Greg Wooledge wrote:
>> On Mon, Oct 06, 2014 at 12:14:57PM -0700, Linda Walsh wrote:
>>> done <<<"$(get_net_IFnames_hwaddrs)"
>>
>>> Where am I using a HERE doc?
>>
>> <<< and << both create temporary files.
>
>
> According to Chet , only way to do a multi-var assignment in bash is
>
> read a b c d <<<$(echo ${array[@]})
>
> Forcing a simple assignment into using a tmp file seems Machiavellian --
> as it does exactly the thing the user is trying to avoid through
> unexpected means.
Don't mix a capability -- shorthand to provide arbitrary data on stdin
to the shell or a different process -- with your use of it. You've
chosen to use this mechanism for assignment rather than something less
baroque, but that doesn't mean the capability is any less general.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
