in reply to Multiple HTML field names

I often do something similar to what you are doing, but with a callback function on the replacement side, together with the /e (evaluation) modifier. 
#!/usr/bin/perl -w
use strict;

my $main_template = do { local $/; <DATA> };
$main_template =~ s/%%([^%]+)%%/Callback($1)/ge;
print $main_template, "\n";

sub Callback
{
    my $field = shift;
    my $val;
    our $keycount;

    if ($field eq 'searchresult') {
       $val = 'SEARCH RESULT HERE';
    } elsif ($field eq 'premiumlistings') {
       $val = 'PREMIUM LISTINGS HERE';
    } elsif ($field eq 'keywords') {
       $keycount++ ? do { $val = 'FIELD(SEARCH)' } :
                     do { $val = 'FIELD(KEYWORDS)' };
    }

    return $val;
}


__DATA__
<HTML>
<BODY>
%%keywords%%
<BR/>
%%searchresult%%
<BR/>
%%keywords%%
<BR/>
%%premiumlistings%%
<BR/>
<BODY>
</HTML>

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And the output -
<HTML>
<BODY>
FIELD(KEYWORDS)
<BR/>
SEARCH RESULT HERE
<BR/>
FIELD(SEARCH)
<BR/>
PREMIUM LISTINGS HERE
<BR/>
<BODY>
</HTML>

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Replies are listed 'Best First'.
Re: Re: Multiple HTML field names
by Dente (Acolyte) on May 09, 2004 at 01:10 UTC

    This was initially supposed to be a single flat file search utilizing the file handle <SIDX> and <SIDX2>. I have implemented past knowledge (successful) yet I have found that after implementation, I may have still painted myself in a corner. I have been told that most questions can be answered within the first 20 lines of text, however, this is not the case. Any knowledge would be appreciated. The result: A Google type search result with standard listings in 1 column, and premium listings in the other. <SIDX2> serves as the db for premium listings. You are on the right track, however, I feel I need to supple efficient code for you to access what I am actualy trying to do. I will provide a link the text file as it may be considered rude (bandwidth?) to submit full code here. This is a typefull for me, however, someone more knowledgeable may be able to spread (speed read)

    http//:www.urhosted.com/search.txt

[reply]
      First, thanks for your response. I have not not been able to successfully integrate it into my code. I have however been able to successfully open both files, read them simultaneously and print out independent file content results (keywords not in SIDX, are in SIDX2 by design). I now need to be able to regain the keyword search results in @skeyw, and split them into 2 return results. One will be inserted the html placeholder %%searchresults%% and the other in premiumresults: 
      
    $main_template =~ s/%%keywords%%/$fields{'keywords'}/g;
    $main_template =~ s/%%searcresults%%/$pitem/g;
    
    $main_template =~ s/%%keywords%%/$fields{'keywords'}/g;
    $main_template =~ s/%%premiumresults%%/$pitem/g;

print "Content-type: text/html\n\n";

$main_template = tseek::insert_tmpl_includes($main_template);  
print "$main_template";
exit;

      [download]
      Here is where I do the search: 
      
sub normal_search
{

### PERFORM SEARCH

$search_line = $fields{'keywords'};

$icnt = 0;
$toadk = "";

(@skeyw) = split(/ /,$search_line);


$nrkeywords = 0;
foreach $item (@skeyw){$nrkeywords++;}

open (SIDX, "$data_dir/search.idx");
open (SIDX2, "$data_dir/search2.idx");



 if ($file_locking ne "No"){flock (SIDX, LOCK_SH) or die "Can't set lo
+ck for file: $data_dir/search.idx, $data_dir/search2.idx $!\n";}
    while($line3 = <SIDX>)
    {

    $line2 = <SIDX2>;
    $sline = "${line2}${line3}";
    
    
    foreach $kwr (@skeyw)
        {

        if (($sline =~ /$kwr/i) and ($kwr ne "")) 
        {
                    
            $toadk = "true";
            }
            
        }

        if ($toadk eq "true")
        
                
            {
            $resultline[$icnt] = "${line2}";
            $premium_resultline[$icnt] = "${line3}";

            $toadk = false;
            $icnt++;
            }

    }
    
    
     #if ($file_locking ne "No"){flock (CIT, LOCK_UN);}
close (SIDX);
close (SIDX2);
}

      [download]
      and here is where I need to split the keyword search results from both files that are still contained in @skeyw. Search results from <SIDX> assigned to ($search_line) = @_; and the search results from <SIDX2> assigned to ($premium_search_line) = @_; 
      
sub get_search_ready
{
my ($search_line) = @_;

$reline = $search_line;

$reline =~ s/[+\[\]()*^.\$?\\~<>;]//g;

return ($reline);
}

sub get_search_ready2
{
my ($premium_search_line) = ${line2};

$premium_reline = $premium_search_line;

$premium_reline =~ s/[+\[\]()*^.\$?\\~<>;]//g;

return ($premium_reline);
}

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