Awk: Print count for column in a file using awk

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# 1  
Old 02-26-2014
Awk: Print count for column in a file using awk

I have the following input in a file & need output as mentioned below(need counter of every occurance of field which is to be increased by 1).



present code which needs modification is as follows(it counts the uniq count). Please help
awk 'count[$1]++}END{for (i in count) print i","count[i]}' input

# 2  
Old 02-26-2014
awk ' { arr[$0]++; print $0 "," arr[$0] } ' input

This User Gave Thanks to anbu23 For This Post:
# 3  
Old 02-26-2014
I would simplify like this
$ awk '{print $0,++a[$0]}' file

This User Gave Thanks to Akshay Hegde For This Post:
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