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UNIX extracting fields

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# 1  
Old 08-26-2016
UNIX extracting fields
I have one file A.txt which is comma separated and I want to extract first 4 field's in a file and also I want to add one more column in output
A.txt in output for all records. A.txt should not be hard coded since I do not filename it may be any file.
Last edited by rbatte1; 08-26-2016 at 11:49 AM.. Reason: Highlights and spelling
# 2  
Old 08-26-2016
Any attempt/idea/thought from your side?

How about way more details in your request? I'm pretty sure you wouldn't like an answer like "Use awk, write $1 till $4 and add you new column, using a variable for the input stream", would you?
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