# Data export

PNP provides access to RRD data using the `xport` controller. The output format can be specified. At the moment the formats `xml`, `json` and `csv` are supported.

The controller can be called using the URL

    /pnp4nagios/xport/<format>?host=<hostname>&srv=<servicedesc>

whereas <format> has to be replaced with the desired format.

You can also use `wget` to generate images and place them in periodic reports. One example may be:

    wget -O image.png 'http://<user>:<pass>@<nagios-server>/pnp4nagios/image?host=<hostname>&srv=<service>&view=2&source=0'

`view=<n>` limits the graph to the timeperiod specified in config.php
`source=<n>` only shows one data source if you have more than one in your RRD file

Instead of `view` you can use `start` and/or `end` to specify the time period. For details please look at "time ranges".

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