[systemd-devel] Select on value of log message

[Jérémy Rosen]

One of the big advantage of --grep compared to |grep is that it returns 
the whole message, not just the line containig your regex

so you can combine it with "-o verbose" and get all the info on the 
message easily

On 29/08/2018 20:09, Uoti Urpala wrote:
> On Wed, 2018-08-29 at 19:49 +0200, Cecil Westerhof wrote:
>> There are a lot of ways you can select the output you get from
>> journalctl, but it seems you cannot select on the message itself.
>> That is why I need to do something like:
>>       journalctl | grep 'Database is locked'
>>
>> Is this true, or am I overlooking something?
> Since version 237, journalctl has had a --grep option.
>
> Message text is not indexed, so performance-wise this still requires
> going through all messages (as limited by other options).
>
>
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