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Answers and rating deltas for
What does this bash mean: USER=${1:-`id -un`}
| Author | Votes | Δ |
|---|---|---|
| heemayl | 4 | +1.41 |
| BinaryZebra | 0 | -0.64 |
| drewyupdrew | 0 | -1.47 |
| dawg | 0 | -0.58 |
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