I would like to know if there is any way to process a
file using perl to get rid of extra records based on a
key value.
My key is the 1st field and in my output file I only
want 1 record per key and it has to be the last record
in the file.
So for example here is my file:
1 5 4
1 0 2
1 2 2
2 0 2
3 0 3
3 4 6
And here is the output file I want:
1 2 2
2 0 2
3 4 6
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