Remove break line and comma before saving as csv

Hi

I have done this script:

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to rum like that:
script.vbs c:\my.xls

and get a csv for each sheet of a xsl

It's working, I get the csv files. But also I'm trying to remove the break lines and commas from inside each cell before saving the csv files.

The problem is I'm still having break lines a "internal" commas in my csv.

I put a MsgBox(c.Value) to debug and I have seen that the replacement in c.Value is working so I don't know why I don't see the changes in my csv.