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Format log data

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# 1  
Old 10-30-2013
Format log data
I have hundreds of lines similar to this:

Code:
Oct 30 10:06:40 localhost kernel: sd 2:0:0:0: Attached scsi generic sg1 type 0
Oct 30 10:06:40 localhost kernel: sd 2:0:0:0: Attached scsi generic sg1 type 0

i want to add a comma after the date, and then print the remaining text to the end of the line.

the preferred output should be:
Code:
Oct 30 10:06:40, localhost kernel: sd 2:0:0:0: Attached scsi generic sg1 type 0
Oct 30 10:06:40, localhost kernel: sd 2:0:0:0: Attached scsi generic sg1 type 0

i tried:

Code:
tail -5 datafile | cut -d' ' -f1,2,3,4-

and
Code:
tail -5 datafile | awk '{print $1" "$2" "$3","$NF}'

both of these are incomplete. can someone help me finish it off? i'd prefer the awk solution.
Last edited by SkySmart; 10-30-2013 at 06:05 PM..
# 2  
Old 10-30-2013
Try this :
Code:
awk '{$3=$3","}1' input_file

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SkySmart
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