I have two file like:
1
2
3
4
5
6
7
8
9
10
and a file with two columns
1 0.11
2 0.12748
5 0.45
12 0.48
7 0.48
8 0.7
13 0.78
14 0.88
I would like to find thesimilarities between the two files. If the in both files the number in file 1 apper also in the first column of file 2 then it means that there it must appear in the output file. The output should be:
1 0.11
2 0.12748
5 0.45
7 0.48
8 0.7
I tried with different combination of grep but it does not work.
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