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Answers and rating deltas for
How can I merge some columns of two files using perl?
| Author | Votes | Δ |
|---|---|---|
| David L. | 3 | +4.43 |
| jaypal singh | 1 | -0.33 |
| hiew1 | 1 | -0.73 |
| Dim_K | 1 | -1.04 |
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