use DB_File;
use File::Copy;
use DXDebug;
-use Compress::Zlib;
+#use Compress::Zlib;
use vars qw($VERSION $BRANCH);
$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
sub init
{
end();
- tie %db, 'DB_File', $dbfn and $present = 1;
+ if (tie %db, 'DB_File', $dbfn, O_RDONLY, 0664, $DB_BTREE) {
+ $present = 1;
+ return "US Database loaded";
+ }
+ return "US Database not loaded";
}
sub end
my %dbn;
if (-e $dbfn ) {
- syscopy($dbfn, "$dbfn.new") or return "cannot copy $dbfn -> $dbfn.new $!";
+ copy($dbfn, "$dbfn.new") or return "cannot copy $dbfn -> $dbfn.new $!";
}
tie %dbn, 'DB_File', "$dbfn.new", O_RDWR|O_CREAT, 0664, $a or return "cannot tie $dbfn.new $!";
# now write away all the files
+ my $count = 0;
for (@_) {
- my $fn = shift;
- my $f = gzopen($fn, "r") or return "Cannot open $fn $!";
- my $l;
- while ($f->gzreadline($l)) {
- chomp $l;
+ my $ofn = shift;
+
+ # conditionally handle compressed files (don't cha just lurv live code, this is
+ # a rave from the grave and is "in memoriam Flossie" the ICT 1301G I learnt on.
+ # {for pedant computer historians a 1301G is an ICT 1301A that has been
+ # Galdorised[tm] (for instance had decent IOs and a 24 pre-modify instruction)}
+ my $nfn = $ofn;
+ if ($nfn =~ /.gz$/i) {
+ my $gz;
+ eval qq{use Compress::Zlib; \$gz = gzopen(\$ofn, "rb")};
+ return "Cannot read compressed files $@" if $@;
+ $nfn =~ s/.gz$//i;
+ my $of = new IO::File ">$nfn" or return "Cannot write to $nfn $!";
+ my ($l, $buf);
+ $of->write($buf, $l) while ($l = $gz->gzread($buf));
+ $gz->gzclose;
+ $of->close;
+ $ofn = $nfn;
+ }
+
+ my $of = new IO::File "$ofn" or return "Cannot read $ofn $!";
+
+ while (<$of>) {
+ my $l = $_;
+ $l =~ s/[\r\n]+$//;
my ($call, $city, $state) = split /\|/, $l;
# lookup the city
$dbn{'##'} = "$no";
}
$dbn{$call} = $ctyn;
+ $count++;
}
- $f->gzclose;
+ $of->close;
+ unlink $nfn;
}
untie %dbn;
rename "$dbfn.new", $dbfn;
+ return "$count records";
}
1;