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Shell Programming and Scripting

Duplicate count in a file

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# 1  
Old 02-17-2009
Duplicate count in a file
I have a file like this :

NAME User
------ -----
ABC 90xyz
ABC 90tuv
CDE 90xyz
CDE 90pqr
ERT 90xyz
ERT 90pqr
: :
: :

I need to get the ducplicate count of Users. Like,
90xyz Count : 3
90pqr Count : 2

Thanks in advance.
# 2  
Old 02-17-2009
Code:
 
$ cat file107
 
ABC 90xyz
ABC 90tuv
CDE 90xyz
CDE 90pqr
ERT 90xyz
ERT 90pqr
 
$ nawk '{a[$2]++} END {for (i in a) print i, a[i]}' file107
 
90pqr 2
90tuv 1
90xyz 3

# 3  
Old 02-17-2009
$ cut -f2 -d\ test.txt |sort| uniq -c
2 90pqr
1 90tuv
3 90xyz
# 4  
Old 02-17-2009
With little modifications.....

Code:
 
cut -d" " -f2 file107 | sort |uniq -c

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