From a6aaf288e553038c8be901f35e2f1f7e30c07c8f Mon Sep 17 00:00:00 2001
From: Galen Charlton <gmc@esilibrary.com>
Date: Tue, 7 Aug 2012 14:19:00 -0400
Subject: [PATCH] clean up a bit of noise

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
---
 extract_loadset |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/extract_loadset b/extract_loadset
index aa29023..61326bd 100755
--- a/extract_loadset
+++ b/extract_loadset
@@ -41,6 +41,7 @@ open MI, '<', $conf->{input} or die "Can't open input file: $!\n";
 open MO, '>', $conf->{output} or die "Can't open output file: $!\n";
 while (<MI>) {
     m/tag="$conf->{tag}".+?<subfield code="$conf->{subfield}">(\d+)</;
+    next unless defined $1;
     if ($conf->{reverse}) {
         print MO if     $exclude{$1};
     } else {
-- 
1.7.2.5