for an addon I'm making, I need to perform a sourcetype override. The general mechanis is clearly explained on this documentation: Override source types on a per-event basis and I used it with different result.
If I use, in the props.conf file, a sourcetype like <spec>, it works fine; so, if my data born with sourcetype A, and A is puttend in the props.conf as spec, and I want to override it with B, where B is putted in transforms.conf under the proper regex, nothing goes wring and I achieve the desiderd result.
Now, suppose I want switch, in prop.conf file for <spec> parameter, from a sourcetype to a source and that this source is a file under a specific location. Of course, I could put the full path of source; but, for different reasons, this path may change in our production environment, so I need to switch from full path to a partial one; the worst case is whre we must change from:
So, my question is: what is the proper wildcard syntax to achieve this purpose? I tried until now: