Extract file name and add as a field

Hi bro and sis

I will be sending file from filebeat to logstash. Is there a way I can extract file name on logstash filter? I want to add as a new field

My file name

Your small advice and example is big help to me

There are many ways to do this. See here and here for examples.

I tried as below

filter {
  grok {
    match => ["path","%{GREEDYDATA}/%{GREEDYDATA:filename}\.log"]

But in filename field it giving .log .how to have only name without extension?

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