gpsdctl - tool for sending commands to gpsd over its control socket
This is a tool for sending an instance of gpsd commands over its control socket
to add or remove devices from the daemon's device list. It is not intended to
be called by users, but rather by the Linux hotplug system and similar
The action argument may be "add" or "remove". If no daemon
instance is running when an add is requested, this program will launch one.
The "device" argument should be the pathname of a device. A device on
the list will be opened to read sensor data whenever a client requests a
Two environment variables are interpreted. GPSD_SOCKET
sets the location
of the control socket. It defaults to /var/run/gpsd.sock if the effective user
ID of this program is root, /tmp/gpsd.sock otherwise.
may be a list of options to be passed to gpsd when this tool
launches it. It defaults to an empty string.
1 if the action was unknown or the write to the control socket failed, 0
Eric S. Raymond <email@example.com>.