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Answers and rating deltas for
shell: What is the purpose of ${var:-} when var is unset or null?
| Author | Votes | Δ |
|---|---|---|
| Matei David | 4 | +4.32 |
| Jonathan Leffler | 1 | +0.18 |
| sjsam | -1 | -0.73 |
Last visited: Nov 10, 2016, 10:20:22 PM