grolbp
The postprocessor grolbp
accepts the following command-line
options:
Print n copies of each page.
Put the directory dir/devname in front of the search path for the font, prologue and device description files, given the target device name, usually lbp.
Use landscape orientation.
Use the orientation specified: portrait
or
landscape
.
Set the page dimensions. See groff_font(5) manual page for details.
Set the line thickness to n/1000em. Overrides the default value n = 40.
Print the version number.
Print command-line help.