# slideshow

a simple cli application to start a background image slideshow using 'feh'.

## requirements

- [feh](https://feh.finalrewind.org/)
- [ImageMagick](https://imagemagick.org/) (optional)

## configuration

configuration is entirely done via environment variables.

| variable             | default           | description                                                |
| -------------------- | ----------------- | -----------------------------------------------------------|
| SLIDESHOW_INTERVAL   | 60                | the interval of the slideshow in seconds                   |
| SLIDESHOW_DIRECTORY  | "$HOME"           | path to a directory containing images                      | 
| SLIDESHOW_RESOLUTION |                   | the resolution to which images are scaled (i.e. 1920x1080) | 
| SLIDESHOW_LOGLEVEL   | "info"            | the log level                                              |

**note:**  
if no resolution is set the images will be displayed as they are (without any scaling).

**available log levels:**

- `debug`
- `info`
- `warning`
- `error`
- `fatal`