--- trunk/all2xml.pl	2003/07/14 10:55:35	104
+++ trunk/all2xml.pl	2003/11/16 11:55:18	144
@@ -160,12 +160,16 @@
 					}
 					if ($filter) {
 						no strict 'refs';
-						$display_data .= join($delimiter,&$filter($display));
+						if ($display_data) {
+							$display_data .= $delimiter.join($delimiter,&$filter($display));
+						} else {
+							$display_data = join($delimiter,&$filter($display));
+						}
 					} else {
 						if ($display_data) {
 							$display_data .= $delimiter.$display;
 						} else {
-							$display_data .= $display;
+							$display_data = $display;
 						}
 					}
 				}
@@ -181,8 +185,8 @@
 			if (@index_data) {
 				if ($index_filter) {
 					no strict 'refs';
-					foreach my $d (&$index_filter(@index_data)) {
-						$index->insert($field, $d, $path);
+					foreach my $d (@index_data) {
+						$index->insert($field, &$index_filter($d), $path);
 					}
 				} else {
 					foreach my $d (@index_data) {
@@ -328,6 +332,34 @@
 		$import2cp = Text::Iconv->new($config->{isis_codepage},$codepage);
 		my $db = OpenIsis::open( $isis_db );
 
+		# check if .txt database for OpenIsis is zero length,
+		# if so, erase it and re-open database
+		sub check_txt_db {
+			my $isis_db = shift || die "need isis database name";
+			my $reopen = 0;
+
+			if (-e $isis_db.".TXT") {
+				print STDERR "WARNING: removing $isis_db.TXT OpenIsis database...\n";
+				unlink $isis_db.".TXT" || warn "FATAL: unlink error on '$isis_db.TXT': $!";
+				$reopen++;
+			}
+			if (-e $isis_db.".PTR") {
+				print STDERR "WARNING: removing $isis_db.PTR OpenIsis database...\n";
+				unlink $isis_db.".PTR" || warn "FATAL: unlink error on '$isis_db.PTR': $!";
+				$reopen++;
+			}
+			return OpenIsis::open( $isis_db ) if ($reopen);
+		}
+
+		# EOF error
+		if ($db == -1) {
+			$db = check_txt_db($isis_db);
+			if ($db == -1) {
+				print STDERR "FATAL: OpenIsis can't open zero size file $isis_db\n";
+				next;
+			}
+		}
+
 		# OpenIsis::ERR_BADF 
 		if ($db == -4) {
 			print STDERR "FATAL: OpenIsis can't find file $isis_db\n";
@@ -343,6 +375,13 @@
 
 		my $max_rowid = OpenIsis::maxRowid( $db );
 
+		# if 0 records, try to rease isis .txt database
+		if ($max_rowid == 0) {
+			# force removal of database
+			$db = check_txt_db($isis_db);
+			$max_rowid = OpenIsis::maxRowid( $db );
+		}
+
 		print STDERR "Reading database: $isis_db [$max_rowid rows]\n";
 
 		my $path = $database;
@@ -364,6 +403,10 @@
 				}
 			}
 		}
+		# for this to work with current version of OpenIsis (0.9.0)
+		# you might need my patch from
+		# http://www.rot13.org/~dpavlin/projects/openisis-0.9.0-perl_close.diff
+		OpenIsis::close($db);
 		print STDERR "\n";
 
 	} elsif ($type_base eq "excel") {