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insert comma in a text file

 
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# 1  
Old 12-15-2010
insert comma in a text file
Hi all,
I have a text file and I need to insert comma after every 2 digit.
Code:
-1-1-1-1-1-1-1-1-1 0 0 0
-1-1-1 2 0 0 3 311-1 0 1
-1-1 021 0 011-1-1 033 0

I'd like to have this:
Code:
-1,-1,-1,-1,-1,-1,-1,-1,-1, 0, 0, 0
-1,-1,-1, 2, 0, 0, 3, 3,11,-1, 0, 1
-1,-1, 0,21, 0, 0,11,-1,-1, 0,33, 0

Thanks for your help in advance.
# 2  
Old 12-15-2010
Could you please explain why: 0,21, and not 021,?
# 3  
Old 12-15-2010
Quote:
Originally Posted by radoulov
Could you please explain why: 0,21, and not 021,?
These numbers are actually codes and in this file two characters are reserved for each code which vary between -1 and 99.
# 4  
Old 12-15-2010
I don't get the logic ...
# 5  
Old 12-15-2010
Code:
sed 's/../&,/g' myFile

This User Gave Thanks to vgersh99 For This Post:
GoldenFire
# 6  
Old 12-15-2010
Quote:
Originally Posted by radoulov
I don't get the logic ...
I'm sorry but my problem is how to add the commas!
# 7  
Old 12-15-2010
Quote:
Originally Posted by vgersh99
Code:
sed 's/../&,/g' myFile

Now I see Smilie

To the OP: you mean every two characters, not every two digits ...

---------- Post updated at 05:17 PM ---------- Previous update was at 05:10 PM ----------

And if you want to get rid of the trailing comma and to edit the file in-place:

Code:
perl -i.bck -ple's/..(?!$)/$&,/g' infile

This User Gave Thanks to radoulov For This Post:
GoldenFire
 
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