bfilter/trunk/bfilter.pl

#!/usr/bin/perl -w
#

use strict;
use locale;

# maximum entries
my $max = 0;
# minimum letters to search by
my $min_len = 3;

my $debug = 1;

sub print_file {
        my $f = shift || return;
        open(F, $f) || die "$f: $!";
        while(<F>) {
                print;
        }
        close(F);
}

print qq{
var headlines = Array();
};

my @part_arr;
my $last_part = '';
my $total = 0;

while(<STDIN>) {
        chomp;

        # escape single quote
        s/'/\\'/g;

        # split into min_len part and rest
        my ($part,$rest) = ( substr($_,0,$min_len), substr($_,$min_len) );

        # make part lowercase
        $part = lc($part);

        $last_part = $part if (! $last_part);

        # new part?
        if ($part ne $last_part) {
                print STDERR $last_part,"\t",$#part_arr+1,"\n" if ($debug);
                print "headlines['$last_part'] = Array(\n ",join(",\n ",@part_arr),");\n" if (@part_arr);
                $total += $#part_arr;
                @part_arr = ();
                $last_part = $part;
        }
        push @part_arr, "'$_'";

        # break out?
        last if ($max && $total > $max);
}

print "headlines['$last_part'] = Array(\n ",join(",\n ",@part_arr),");\n" if (@part_arr);
print "var min_len = $min_len;\n";
print "// index elements: $total\n";
1	#!/usr/bin/perl -w
2	#
3
4	use strict;
5	use locale;
6
7	# maximum entries
8	my $max = 0;
9	# minimum letters to search by
10	my $min_len = 3;
11
12	my $debug = 1;
13
14	sub print_file {
15	my $f = shift \|\| return;
16	open(F, $f) \|\| die "$f: $!";
17	while(<F>) {
18	print;
19	}
20	close(F);
21	}
22
23	print qq{
24	var headlines = Array();
25	};
26
27	my @part_arr;
28	my $last_part = '';
29	my $total = 0;
30
31	while(<STDIN>) {
32	chomp;
33
34	# escape single quote
35	s/'/\\'/g;
36
37	# split into min_len part and rest
38	my ($part,$rest) = ( substr($_,0,$min_len), substr($_,$min_len) );
39
40	# make part lowercase
41	$part = lc($part);
42
43	$last_part = $part if (! $last_part);
44
45	# new part?
46	if ($part ne $last_part) {
47	print STDERR $last_part,"\t",$#part_arr+1,"\n" if ($debug);
48	print "headlines['$last_part'] = Array(\n ",join(",\n ",@part_arr),");\n" if (@part_arr);
49	$total += $#part_arr;
50	@part_arr = ();
51	$last_part = $part;
52	}
53	push @part_arr, "'$_'";
54
55	# break out?
56	last if ($max && $total > $max);
57	}
58
59	print "headlines['$last_part'] = Array(\n ",join(",\n ",@part_arr),");\n" if (@part_arr);
60	print "var min_len = $min_len;\n";
61	print "// index elements: $total\n";