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Answers and rating deltas for
In Perl, how can I concisely check if a $variable is defined and contains a non zero length string?
| Author | Votes | Δ |
|---|---|---|
| brian d foy | 39 | +1.24 |
| Adam Bellaire | 14 | +0.60 |
| Sinan Ünür | 8 | +0.12 |
| Gaurav | 3 | +0.87 |
| daotoad | 2 | -0.47 |
| mob | 2 | -0.74 |
| Puriney | 0 | 0.00 |
| Dave Sherohman | -2 | -1.02 |
| Joseph | -2 | -3.18 |
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