--- /dev/null
+#!/usr/bin/perl
+# -*- coding: iso-8859-15 -*-
+###############################################################################
+=pod
+
+=item B<bibstats> --file foo.mrc
+
+Reads through a marc file to generate statistical information about the file
+for quick analysis.
+
+--uri_threshold defaults to 1, only shows URI values with more than that
+frequency
+
+--ingore_filetype true will have it not care what file returns as the type and
+always treat it as marc21
+=back
+
+=cut
+
+###############################################################################
+
+use strict;
+use warnings;
+
+use Data::Dumper;
+use Env qw(
+ HOME PGHOST PGPORT PGUSER PGDATABASE MIGSCHEMA
+ MIGBASEWORKDIR MIGBASEGITDIR MIGGITDIR MIGWORKDIR
+);
+use Pod::Usage;
+use Switch;
+use Getopt::Long;
+use MARC::Batch;
+use MARC::Record;
+use MARC::Field;
+use Cwd 'abs_path';
+use Cwd qw(getcwd);
+use FindBin;
+my $mig_bin = "$FindBin::Bin/";
+use lib "$FindBin::Bin/";
+use Mig;
+use open ':encoding(utf8)';
+
+pod2usage(-verbose => 2) if defined $ARGV[0] && $ARGV[0] eq '--help';
+pod2usage(-verbose => 1) if ! $ARGV[1];
+
+my $file;
+my $uri_threshold = 1;
+my $p_holding_code;
+my $p_barcode_subfield;
+my $p_ils_name = 'Runtime ILS';
+my $holding_threshold = 50;
+my $p_ignore_filetype = 'false';
+
+my $ret = GetOptions(
+ 'file:s' => \$file,
+ 'uri_threshold:i' => \$uri_threshold,
+ 'holding_code:s' => \$p_holding_code,
+ 'barcode:s' => \$p_barcode_subfield,
+ 'ignore_filetype:s' => \$p_ignore_filetype,
+ 'ils_name:s' => \$p_ils_name,
+ 'holding_threshold:s' => \$holding_threshold
+);
+
+if ($p_holding_code and length $p_holding_code != 3) { abort('Holdings codes must be three characters.'); }
+
+if ($p_barcode_subfield) {
+ if (!defined $p_holding_code) { abort('A barcode field can not be used without a holding code.'); }
+ if (length $p_barcode_subfield != 1) { abort('Barcode subfields must be a single character code.'); }
+}
+
+my @ilses = (
+ ['Mandarin','852','p'],
+ ['Evergreen','852','p'],
+ ['Polaris','852','p'],
+ ['TLC','949','g'],
+ ['Koha','952','p'],
+ ['Sympony','999','i']
+);
+
+my @temp;
+if ($p_holding_code) {
+ push @temp, $p_ils_name;
+ push @temp, $p_holding_code;
+ if ($p_barcode_subfield) { push @temp, lc $p_barcode_subfield; }
+}
+push @ilses, @temp;
+
+
+
+my $batch = MARC::Batch->new('USMARC', $file);
+$batch->strict_off();
+my $filetype = `file $file`;
+if ($filetype =~ m/MARC21/ or $p_ignore_filetype eq 'true') { print "$filetype.\n" }
+ else { abort("File is not MARC21."); }
+
+my $i = 0;
+my $uri_count = 0;
+my $uri_valid_count = 0;
+my $uri_sub9_count = 0;
+my $author_sub0 = 0;
+my $title_sub0 = 0;
+my @uris;
+my @fields;
+my @codes;
+my @holding_code_strings;
+my %holding_counts;
+my %barcode_counts;
+
+foreach (@ilses) {
+ $holding_counts{@$_[0]} = 0;
+ $barcode_counts{@$_[0]} = 0;
+}
+
+while ( my $record = $batch->next() ) {
+ $i++;
+ #check holdings, bit time consuming but more future proof
+ foreach (@ilses) {
+ my $ils = @$_[0];
+ my $hcode = @$_[1];
+ my $barcode = @$_[2];
+ my @holding_fields = $record->field($hcode);
+ my $l = scalar @holding_fields;
+ my $v = $holding_counts{$ils};
+ if ($l) { $holding_counts{$ils} = $v + $l; }
+ }
+ #process 856s
+ @fields = $record->field('856');
+ my $ldr = substr $record->leader(), 9, 1;
+ push @codes, $ldr;
+ foreach my $f (@fields) {
+ my $u = $f->subfield('u');
+ my $n = $f->subfield('9');
+ if (defined $n) { $uri_sub9_count++; }
+ if (defined $u) {
+ $uri_count++;
+ my $ind1 = $f->indicator('1');
+ my $ind2 = $f->indicator('2');
+ if ($ind1 eq '4') {
+ if ($ind2 eq '0' or $ind2 eq '1') { $uri_valid_count++; }
+ }
+ my $ustring = lc $f->as_string('u');
+ $ustring =~ s/http:\/\///;
+ $ustring =~ s/ftp:\/\///;
+ $ustring =~ s/https:\/\///;
+ $ustring =~ s/\/.*//;
+ push @uris, $ustring;
+ }
+ }
+ #check for authority linking on 100s and 245s, if present may need to scrub them
+ @fields = $record->field('100');
+ foreach my $f (@fields) {
+ my $t = $f->subfield('0');
+ if (defined $t) { $title_sub0++; }
+ }
+ @fields = $record->field('245');
+ foreach my $f (@fields) {
+ my $t = $f->subfield('0');
+ if (defined $t) { $author_sub0++; }
+ }
+ if(($i % 1000) == 0) { print "Processing bib $i.\n"; }
+}
+
+my %uri_counts;
+$uri_counts{$_}++ for @uris;
+
+my %code_counts;
+$code_counts{$_}++ for @codes;
+
+print "\n$filetype\n";
+print "$i bibs read in file\n\n";
+
+print "=== Leader 09 codes\n";
+foreach my $key (keys %code_counts) {
+ my $value = $code_counts{$key};
+ print "=== $key $value\n";
+}
+print "\n";
+
+print "$uri_count 856 fields with a subfield u\n";
+print "$uri_valid_count 856 fields with a subfield u and valid indicators\n";
+print "$uri_sub9_count 856 fields have subfield 9s\n";
+print "$title_sub0 100 fields have a subfield 0\n";
+print "$author_sub0 245 fields have a subfield 0\n";
+
+print "\n=== Holdings Analysis\n";
+foreach my $key (keys %holding_counts) {
+ my $c = $holding_counts{$key};
+ if (((100/$i)*$c) >= $holding_threshold) { print "Could be $key $holding_counts{$key} holdings tags\n"; }
+}
+
+print "\nURI values are domains and filtered to only show those with more than $uri_threshold\n";
+foreach my $key (keys %uri_counts) {
+ my $value = $uri_counts{$key};
+ if ($value > $uri_threshold) { print "=== $key $value\n"; }
+}
+
+close $file;
+
+########### functions
+
+sub abort {
+ my $msg = shift;
+ print STDERR "$0: $msg", "\n";
+ exit 1;
+}