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Appending = in particular column in csv file

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# 1  
Old 01-15-2013
Appending = in particular column in csv file
Hi,

I have a requirement to append = in particular row in csv file. Data in csv is as follow:

Code:
row1,a,a,a
row2,b,b,b
row3,c,c,c
row4,d,d,d

csv should be modified at row3 and no. of columns are not fixed but rows are. output should be as:

Code:
row1,a,a,a
row2,b,b,b
row3,=c,=c,=c
row4,d,d,d

= should be appended after comma.

Please help.
Last edited by Scrutinizer; 01-15-2013 at 08:17 AM.. Reason: code tags; spelling
# 2  
Old 01-15-2013
Code:
sed '3''s/,/,=/g' file.csv

# 3  
Old 01-15-2013
Code:
awk 'NR==3{gsub(",",",=",$0)}1' file.csv

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