Step for adjusting names of fields

[nsoft]

Once we have a document in the pipeline we need to be able to adjust the names of fields by regex match replace. For example s/^(file_size)$/$1_i/ to allow dynamic field matching to identify the field as an integer.

[sagar-jani]

Hello @nsoft , I'm new to open source and this project, but I would like to contribute my 2 cents to this project, I feel, fixing this issue might be a good start, what do you think ?

[nsoft]

Yup, that's why it's labeled help wanted and up for grabs :)

[nsoft]

CopyField processor with removeOriginal can effectively rename a field. Not sure we really need a regex based one.