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Replace comma and blank with comma and number

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# 1  
Old 02-12-2014
Replace comma and blank with comma and number
I,

I have a file and i need to replace comma and blank space with comma and 0.

cat file.txt

Code:
a,5
b,1
c,
d,
e,4

I need the output as

cat file.txt

Code:
a,5
b,1
c,0
d,0
e,4

Please help guys.. a simple and short way.
Last edited by Scrutinizer; 02-12-2014 at 05:52 AM.. Reason: code tags
# 2  
Old 02-12-2014
What have you tried to solve this problem?
# 3  
Old 02-12-2014
Try:
Code:
 sed -e "s/,$/,0/" infile

# 4  
Old 02-12-2014
Quote:
Originally Posted by Don Cragun
What have you tried to solve this problem?
I have tried to use sed command sed 's/,/,0/g', however, it changes the other values also..

I just need to replace the comma(,) with (,0)...
# 5  
Old 02-12-2014
You would need to add a $ sign:
Code:
sed 's/,$/,0/g' file

Or try something like:
Code:
awk '{$2+=0}1' FS=, OFS=, file

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