call.gv
logical, indicating if ghostview (or the command given
by command
) should be called. By default, find out if
ghostview is already runing on this file and only call it if needed.
command
character, giving a system command for PostScript previewing.
By default, getOption("eps_view")
is set to
gv -watch -geometry -0+0 -magstep -2 -media BBox -noantialias
which assumes gv
(aka ghostview)