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flightgear/Simulator/runfg
1998-02-16 16:17:33 +00:00

71 lines
2.1 KiB
Perl
Executable file

#!/usr/bin/perl
#---------------------------------------------------------------------------
# runfg -- front end for setting up the FG_ROOT env variable and launching
# the fg executable.
#
# Written by Curtis Olson, started September 1997.
#
# Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# $Id$
# (Log is kept at end of this file)
#---------------------------------------------------------------------------
# Flight Gear Version
$version_major = "0";
# name of Flight Gear executable
$program = "fg" . $version_major;
# see if we can find the executable
if ( -x "./Main/$program" ) {
$path = "./Main/$program";
} elsif ( -x "./$program" ) {
$path = "./$program";
} else {
die "Cannot locate $program\n";
}
# set the FG_ROOT environment variable if it hasn't already been set.
if ( $ENV{FG_ROOT} eq "" ) {
# look for a file called fgtop as a place marker
if ( -e "fgtop" ) {
$ENV{FG_ROOT} = ".";
} elsif ( -e "../fgtop" ) {
$ENV{FG_ROOT} = "..";
}
}
# run Flight Gear
print "Running $path @ARGV\n";
exec("$path @ARGV");
#---------------------------------------------------------------------------
# $Log$
# Revision 1.3 1998/02/16 16:17:34 curt
# Minor tweaks.
#
# Revision 1.2 1998/01/27 00:47:43 curt
# Incorporated Paul Bleisch's <bleisch@chromatic.com> new debug message
# system and commandline/config file processing code.
#
# Revision 1.1 1997/10/28 18:47:27 curt
# Initial revision.
#