1 files changed, 83 insertions, 0 deletions
diff --git a/regress/doc/check.pl b/regress/doc/check.pl
new file mode 100755
index 00000000..6506d821
--- /dev/null
+++ b/regress/doc/check.pl
@@ -0,0 +1,83 @@
+#!/usr/bin/env perl
+#-*- perl -*-
+#
+# $FML$
+#
+
+use strict;
+use Carp;
+use vars qw(%entity %file %used %file_in_dir);
+
+my $entity = "include/chapters.ent";
+parse($entity);
+parse("book.sgml");
+files();
+compare();
+
+exit 0;
+
+sub parse
+{
+    my ($file) = @_;
+
+    use FileHandle;
+    my $rh = new FileHandle $file;
+    if (defined $rh) {
+	my $buf;
+	while ($buf = <$rh>) {
+	    # <!entity chapter.download SYSTEM "install/download.sgml">
+	    if ($buf =~ /<\!entity\s+(\S+)\s+SYSTEM\s+"(\S+)">/) {
+		$entity{ $1 } = $2;
+		$file{ $2 }   = $1;
+	    }
+
+	    # usual file
+	    if ($buf =~ /\&(\S+);/) {
+		$used{ $1 } = 1;
+		my $_file = $entity{ $1 } || '';
+		if ($_file && -f $_file) {
+		    parse($_file);
+		}
+	    }
+	}
+	$rh->close();
+    }
+    else {
+	croak("cannot open \"$file\"\n");
+    }
+}
+
+
+sub files
+{
+    for my $f (<*.sgml>, <*/*.sgml>) {
+	$file_in_dir{ $f } = 1;
+    }
+}
+
+
+sub compare
+{
+    print "\n[ENTITY]\n";
+    for my $k (keys %entity) {
+	unless ($used{ $k }) {
+	    print "   NOT USED: $k\n";
+	}
+	else {
+	    print "       USED: $k\n" if 0;
+	}
+    }
+
+    print "\n[FILE]\n";
+  FILE:
+    for my $f (keys %file_in_dir) {
+	next FILE if $f eq 'book.sgml';
+
+	unless ($file{ $f }) {
+	    print "NOT DEFINED: $f\n";
+	}
+	else {
+	    print "    DEFINED: $f\n" if 0;
+	}
+    }
+}