Redundant entries in a file.
Hi All,
How can I remove redundant entries in a file.
eg.
$ cat test
ABC
ABC
123
123
ABC
DEF
GHI
DEF
I want to remove all the extra entries and make it look like:
ABC
123
DEF
GHI
Can anybody help?
Thanks in advance
Regards
Sumit Dev Bharadwaj
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