--- /dev/null
+#!/usr/bin/perl -w
+
+# Quick & dirty script to find booboos in FlightGear animation files
+# May 2004 Joshua Babcock jbabcock@atlantech.net
+
+use strict;
+
+if ( $#ARGV != 1 ) {
+ print "Usage: $0 <xml file> <ac3d file>\n";
+ exit;
+}
+
+my %Objects;
+my %References;
+my $Key;
+my $Num;
+my $First;
+my $ObjCount=0;
+my $CheckForm=1;
+
+# Put whatever you want in here to check for poorly formatted object names.
+sub CheckForm {
+ my $Bad=0;
+ $_[0] !~ /^[A-Z].*/ && ($Bad=1);
+ $_[0] =~ /\W/ && ($Bad=1);
+ print "$_[0] poorly formatted\n" if $Bad;
+}
+
+# Make a hash of all the object names in the AC3D file.
+open (AC3D, $ARGV[1]) or die "Could not open $ARGV[1]";
+while (<AC3D>) {
+ /^name \"(.*)\"/ && ($Objects{$1}+=1);
+}
+close AC3D;
+
+# Check for duplicates and proper format.
+foreach $Key (keys %Objects) {
+ print "$Objects{$Key} instances of $1\n" if ($Objects{$Key}>1);
+ &CheckForm($Key) if $CheckForm;
+ ++$ObjCount;
+}
+print "$ObjCount objects found.\n\n";
+
+# Make a hash of objects in the XML file that do not reference an object in the AC3D file.
+open (XML, $ARGV[0]) or die "Could not open $ARGV[0]";
+while (<XML>) {
+ if (m|<object-name>(.*)</object-name>| && ! exists($Objects{$1})) {
+ # voodoo, "Perl Cookbook", p140
+ push( @{$References{$1}}, $.);
+ }
+}
+close XML;
+
+# List all the bad referencees.
+foreach $Key (keys %References) {
+ $First=1;
+ print "Non-existant object $Key at line";
+ print "s" if (scalar( @{$References{$Key}}) > 1);
+ print ":";
+ foreach $Num (@{$References{$Key}}) {
+ $First ? ($First=0) : (print ",");
+ print " $Num"
+ }
+ print "\n";
+}
+
+exit 0;
+