89 lines
2.5 KiB
Perl
Executable file
89 lines
2.5 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# runfg -- front end for setting up the FG_ROOT env variable and launching
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# the fg executable.
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#
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# Written by Curtis Olson, started September 1997.
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#
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# Copyright (C) 1997 - 1998 Curtis L. Olson - http://www.flightgear.org/~curt
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (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 St, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# $Id$
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#---------------------------------------------------------------------------
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$prefix = "@prefix@";
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# print "-> $prefix\n";
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# potential names of Flight Gear executable to try
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@files = ( "fgfs", "fgfs.exe" );
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# search for the executable
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# potential paths where the executable may be found
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@paths = ( ".", "Simulator/Main", $prefix );
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$savepath = "";
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$savefile = "";
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foreach $path (@paths) {
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foreach $file (@files) {
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# print "'$savepath'\n";
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if ( $savepath eq "" ) {
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# don't search again if we've already found one
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# print "checking $path" . "bin/$file and $path" . "$file\n";
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if ( -x "$path/bin/$file" ) {
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$saveprefix = $path;
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$savepath = "$path/bin";
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$savefile = "$file";
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} elsif ( -x "$path/$file" ) {
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$saveprefix = $path;
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$savepath = "$path";
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$savefile = "$file";
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}
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} else {
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# print "skipping $path/bin/$file and $path/$file\n";
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}
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}
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}
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die "Cannot locate program.\n" if ( $savepath eq "" );
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# search for the "FlightGear" root directory
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@paths = ( $prefix, $saveprefix, $ENV{HOME} );
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$fg_root = "";
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foreach $path (@paths) {
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# print "trying $path\n";
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if ( $fg_root eq "" ) {
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if ( -d "$path/FlightGear" ) {
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$fg_root = "$path/FlightGear";
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} elsif ( -d "$path/share/FlightGear" ) {
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$fg_root = "$path/share/FlightGear";
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}
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}
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}
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die "Cannot locate FG root directory (data)\n" if ( $fg_root eq "" );
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# run Flight Gear
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print "Running $savepath/$savefile --fg-root=$fg_root @ARGV\n";
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exec("$savepath/$savefile --fg-root=$fg_root @ARGV");
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#---------------------------------------------------------------------------
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