Remove duplicate rows of a file based on a value of a column - UNIX for Dummies Questions & Answers

radoulov · #5 (**permalink**) 09-26-2008

Quote:

Originally Posted by risk_sly

Thanks for the reply Jim. But when I tried the script, it returned "event not found error". any idea what's causing this error?
[...]

It's your shell ((t)csh I suppose).
Try using a script:

Code:

$ cat uniq.awk 
!arr[$1]++
$ awk -f uniq.awk file
COL1, COL2, COL3
A, 1234, 1234
B, 3k32, 2322
C, Xk32, TTT