New file, zoom-delete-records, moved here from

irspy/bin/zoom-delete-records.pl since it is not IRSpy-specific, and
is of more general interest.

diff --git a/samples/zoom/zoom-delete-records b/samples/zoom/zoom-delete-records
new file mode 100755 (executable)
index 0000000..13c07a1
--- /dev/null
+++ b/samples/zoom/zoom-delete-records
@@ -0,0 +1,31 @@
+#!/usr/bin/perl
+#
+# ./zoom-delete-records.pl user=admin,password=fruitbat,localhost:8018/IR-Explain---1 'concat(count(irspy:status/irspy:probe[@ok=1]), "/", count(irspy:status/irspy:probe))' 'count(irspy:status/irspy:probe[@ok=1]) = 0 and count(irspy:status/irspy:probe) >= 10'
+
+use lib '../lib';
+use XML::LibXML;
+use ZOOM;
+use strict;
+use warnings;
+
+die "Usage: $0 <database> <displayXPath> <deleteXPath>\n" if @ARGV != 3;
+my($dbname, $displayXPath, $deleteXPath) = @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 = $xc->findvalue($displayXPath);
+    print "Record $i/$n: $val";
+    $val = $xc->findvalue($deleteXPath);
+    print " DELETE" if $val eq "true";
+    print "\n";
+}