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Inserting additional comma delimiters in a csv file, after and before certian fields.

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# 1  
Old 03-28-2012
Inserting additional comma delimiters in a csv file, after and before certian fields.
Hello

I have a csv file which I need to insert addtional commas into. The csv is of the format

field1,field2,field3,field4,...etc...,field13,field14

I need to add extra commas in each record so that the final output looks like

field1,field2,field3,field4,...etc...,field13,,,,field14,,,,,,,,

So specifically 3 addtional fields before the last field and a further 8 after.

There are no headers or footers in this file.

Is there a way of using sed or cut inorder to do this?

K
# 2  
Old 03-28-2012
Code:
sed "s/,[a-zA-Z0-9]*$/,,,&,,,,,,,,/"

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