Well, you already use a comma separated file (csv). MS Excel uses a semicolon by default for that reason ...
... ; last name, first name ; ...
But as far as I remember you can configure it easily to accept it both/instead.
Check out these:
alternatives
If you have to do a local conversion on your smartphone that should be possible with AM.
Action:Init variable text file
Action:Script > replace(file_text, ";", ","), replaceAll(file_text, ..)
Action:Write to file
■String replace(String s, String search, String replace)
Returns a modified string by replacing all occurrences of search with replace in string s.
■String replaceAll(String s, String regex, String replacement)
Returns a modified string by replacing all substrings matching regex with replacement in string s. (see Regular expressions.)
That's it. Noobish style. There might be other (more sophisticated) options available.
