NAME

[migration-tools.git] / extract_holdings

diff --git a/extract_holdings b/extract_holdings
index d39aac9..51ea2b8 100755 (executable)
--- a/extract_holdings
+++ b/extract_holdings
@@ -91,21 +91,21 @@ sub extract_holdings {
                     $limit = $#{ $rec->{tmap}{$othertag} };
                 }
                 foreach my $idx (0..$limit) {
-                    for my $sub ( sort keys %{$rec->{tags}[$idx]{uni}} ) {
-                        if ($m->first_only($rec->{tags}[$idx]{tag}, $sub)) {
-                            push @out, ($k == 1) ? $rec->{tags}[$idx]{uni}{$sub} : '';
+                    my $tag_idx = $rec->{tmap}{$othertag}[$idx];
+                    for my $sub ( sort keys %{$rec->{tags}[$tag_idx]{uni}} ) {
+                        if ($m->first_only($rec->{tags}[$tag_idx]{tag}, $sub)) {
+                            push @out, ($k == 1) ? $rec->{tags}[$tag_idx]{uni}{$sub} : '';
                         } else {
-                            push @out, $rec->{tags}[$idx]{uni}{$sub};
+                            push @out, $rec->{tags}[$tag_idx]{uni}{$sub};
                         }
-                        print HOLDINGS "l_", $m->name($rec->{tags}[$idx]{tag}, $sub), ", "
-                        unless $j;
+                        print HOLDINGS "l_", $m->name($rec->{tags}[$tag_idx]{tag}, $sub), ", " unless $j;
                     }
                     next unless exists($multis->{$othertag});
                     for my $sub ( sort keys %{$multis->{$othertag}} ) {
-                        next if $m->first_only($rec->{tags}[$idx]{tag}, $sub) and ($k > 1);
-                        for my $value ( @{$rec->{tags}[$idx]{multi}{$sub}} ) {
+                        next if $m->first_only($rec->{tags}[$tag_idx]{tag}, $sub) and ($k > 1);
+                        for my $value ( @{$rec->{tags}[$tag_idx]{multi}{$sub}} ) {
                             my $fh = $MULTIFILE{"$othertag$sub"};
-                            print $fh join("\t", $rec->{egid}, $j, $value), "\n";
+                            print $fh normalize_output(join("\t", $rec->{egid}, $j, $value)), "\n";
                         }
                     }
                 }
@@ -113,7 +113,7 @@ sub extract_holdings {
 
             # and dump it
             print HOLDINGS "\n" unless $j;
-            print HOLDINGS join("\t", @out);
+            print HOLDINGS normalize_output(join("\t", @out));
             print HOLDINGS "\n";
             $j++;
         }
@@ -217,6 +217,7 @@ sub initialize {
                          'holdings|h=i',
                          'copyid|c=s',
                          'prefix|p=s',
+                         'disable-pg-normalization',
                          'version|v',
                          'help',
                        );
@@ -243,6 +244,12 @@ sub initialize {
     return $c;
 }
 
+sub normalize_output {
+    my $str = shift;
+    $str =~ s!\\!\\\\!g unless $c->{'disable-pg-normalization'};
+    return $str;
+}
+
 sub show_help {
     my ($msg) = @_;
     print "\nERROR - $msg\n" if $msg;
@@ -270,6 +277,10 @@ HOLDINGS EXTRACTION ARGUMENTS
                  used to extract holdings data from the input MARC file
   --holdings -h  Specifies actual holdings tag
   --copyid   -c  Specifies subfield of holdings with unique copy identifier
+  --disable-pg-normalization  By default, output is normalized so that a Postgres
+                              copy or \\copy can import the data without choking on
+                              backslashes; use this command-line option if
+                              output is not meant to be consumed by psql.
 
   All three of these must be given together.
 HELP