> On Mar 10, 2021, at 1:08 PM, Wietse Venema <wie...@porcupine.org> wrote:
>
>> For machine-readable output, try "postqueue -j", which reports dates in
>> epoch time. For example:
>>
>> $ postqueue -j |
>> jq -r '[.queue_id, (.arrival_time | tostring), .sender] | join(" ")'
>
> I used this:
>
> jq -r '[.queue_id, (.arrival_time | todate), .sender] | join(" ")'
>
> Which formats the date as iso8601 (yyyy-mm-dd-Thh:mm:ssZ
Indeed, or for local time (with SPACE instead of 'T') and tab-separated output:
jq -r '[.queue_id, (.arrival_time | localtime | strftime("%Y-%m-%d
%H:%M:%S")), .sender, .recipients[].address] | @tsv'
...
Only now in theory the output is ambiguous due to potential <TAB> characters
in the addresses. @json, @csv and @sh are machine-readable without ambiguity.
Keep in mind that with "@csv" and "@sh" some fields may contain embedded
newlines.
The "@sh" format is not easy to work with, avoid unless you really know what
you're
doing.
--
Viktor.
