--- /dev/null
+#!/opt/local/bin/perl
+#
+# ./irspy-delete-broken-records.pl user=admin,password=fruitbat,localhost:8018/IR-Explain---1 'concat(count(irspy:status/irspy:probe[@ok=1]), "/", count(irspy:status/irspy:probe))'
+
+use lib '../lib';
+use XML::LibXML;
+use ZOOM;
+use strict;
+use warnings;
+
+die "Usage: $0 <database> <xpath>\n" if @ARGV != 2;
+my($dbname, $xpath) = @ARGV;
+
+my $libxml = new XML::LibXML;
+my $conn = new ZOOM::Connection($dbname);
+my $rs = $conn->search(new ZOOM::Query::CQL("cql.allRecords=1"));
+$rs->option(elementSetName => "zeerex");
+
+my $n = $rs->size();
+foreach my $i (1 .. $n) {
+ my $xml = $rs->record($i-1)->render();
+ my $rec = $libxml->parse_string($xml)->documentElement();
+ my $xc = XML::LibXML::XPathContext->new($rec);
+ $xc->registerNs(zeerex => "http://explain.z3950.org/dtd/2.0/");
+ $xc->registerNs(irspy => "http://indexdata.com/irspy/1.0");
+ my $val = $xc->findvalue($xpath);
+ print "Record $i/$n: $val\n";
+}