Removes all tiles that lie outside the specified area or bounding box.
gol retain <gol-file> [<options>]
Defines the area to which the command should be applied. Currently, only polygon files are supported.
Defines the rectangular area (bounding box) to which the command should be applied. Coordinates are specified in WGS-84 (degrees longitude and latitude) and take the form
<west>,<south>,<east>,<north>. Coordinates must not be separated by spaces (otherwise, they would be interpreted as separate arguments).
As an alternative, this option accepts a tile descriptor in the form
Displays only minimal output. Apart from error messages, only minimal progress updates are written to
No output at all is written to
stderr, not even error messages. (Whether a command succeeded or failed can only be ascertained via the status code returned by the process).
Writes extra information to