Listing 1: First Version of Apache::TagNew

package Apache::TagNew;
use strict;
use Apache::Constants qw(OK DECLINED NOT_FOUND);
sub handler {
    # Get the Apache request object
    my $r = shift;
    # Only handle text/html files
    return DECLINED unless ($r->content_type
    eq "text/html");
    # Get the file we're trying to send
    if (open(FILE, $r->filename))
    {
	# Send an appropriate MIME header
	$r->send_http_header;
	# Slurp up files at once
	undef $/;
        # Grab the file's contents
	my ($contents) = (<FILE>);
	# Tag hyperlinks as new
	$contents =~ s|</a>|</a><font
	color="red">(New!)</font>|igs;
	# Print the contents
	$r->print($contents);
        # Close the file handle
	close FILE;
	# Indicate that all went well
        return OK;
    }
    # produce an appropriate error message
    else
    {
        return NOT_FOUND;
    }
}

1;