69 lines
2.6 KiB
Groff
69 lines
2.6 KiB
Groff
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.\" Copyright (C) 2017 Alessandro Menti
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.\"
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.\" This program is free software; you can redistribute it and/or
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.\" modify it under the terms of the GNU General Public License
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.\" as published by the Free Software Foundation; either version 2
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.\" of the License, or (at your option) any later version.
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.\"
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.\" This program is distributed in the hope that it will be useful,
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.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
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.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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.\" GNU General Public License for more details.
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.\"
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.\" You should have received a copy of the GNU General Public License
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.\" along with this program; if not, write to the Free Software
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.\" Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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.\" Or try here: http://www.fsf.org/copyleft/gpl.html
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.\"
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.TH FGFSRC 5 2017-05-28 FlightGear "FlightGear man pages"
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.SH NAME
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fgfsrc \- FlightGear command-line options file
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.SH DESCRIPTION
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.B fgfsrc
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is a file containing command-line options read by
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.BR fgfs (1)
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at startup. This file is meant for those people who do not use a graphical
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launcher to run the simulator, so that they will be able to specify most
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preferences that do not change often there (for example, custom
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scenery/aircraft locations or screen size options), and only those frequently
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modified (like the starting airport) on the command line.
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The file must be in plain-text format and ASCII-encoded. It must contain one or
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more command-line options listed in
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.BR fgfs (1);
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each option must be given on a separate line.
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If the first non-whitespace character in a line is an octothorpe (\fB#\fR),
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.BR fgfs (1)
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treats the line as a comment and ignores it. Comments should not be added after
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an option, because that might cause the simulator to fail under some conditions
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(notably, when the command-line argument given on the line is of the form
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\fB\-\-prop=\fR).
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Variables in paths, like
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.B $HOME
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or \fB$FG_HOME\fR, are not expanded.
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.SH FILES
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.IP "\fI~/.fgfsrc.hostname\fR, \fI~/.fgfsrc\fR" 4
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Configuration files containing command-line options for
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.BR fgfs (1).
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The simulator parses command-line arguments first, then
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\fI~/.fgfsrc.hostname\fR (where
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.I hostname
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is the hostname of the machine) and then \fI~/.fgfsrc\fR, if they exist, in
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that order.
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.SH EXAMPLE
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The following example configuration file synchronizes the simulator clock with
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the local real-world time, loads real-world weather data, sets the window size
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to 1024x768 and enables random scenery objects and AI traffic:
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.nf
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\-\-time\-match\-local
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\-\-enable\-real\-weather\-fetch
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\-\-geometry=1024x768
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\-\-enable\-random\-objects
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\-\-enable\-ai\-traffic
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.fi
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.SH "SEE ALSO"
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.BR fgfs (1)
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