Access status information of a httpgd graphics device.
This function will only work after starting a device with hgd().
Usage
hgd_details(which = dev.cur())Value
List of status variables with the following named items:
$host: Server hostname,
$port: Server port,
$token: Security token,
$hsize: Plot history size (how many plots are accessible),
$upid: Update ID (changes when the device has received new information),
$active: Is the device the currently activated device.