sealevelresearch/tide-wrangler — pull request #7 by paulfurley (2014-10-21 10:42:14+00:00)
Title: Add "shift" script to timeshift a CSV

You can do eg:

```python
./shift.py myfile.csv +10
```

.. and it'll rewrite all the `datetime` columns to datetime+10 minutes
[Delivers #81001646]