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Thank you very much Agama, this worked perfectly!!

---------- Post updated at 10:51 AM ---------- Previous update was at 10:47 AM ----------

Thank you very much Agama, this worked perfectly!!!...

---------- Post updated at 11:23 PM ---------- Previous update was at 11:00 PM ----------



The file has 17,000+ records(rows) of data with the following format,

1702938475,SNU022,201004
...

Can someone tell me how to change the first column in a very large 17k line file from a random 10 digit numeric value to a non numeric value. The format of lines in the file is:...