simple image gallery generated by server image directory

Thanks Monks!!! @row_entries= splice (@piclist, 0, 5); was a new concept for me. It doesn't appear in Learning Perl and is only given a cursory glance in Programming Perl. The final code for this is below. Just set the root of your images directory. Simple and quick. I tried to keep the code readable (and because I'm still a Perl novice). This displays 5 images per row, then it starts again (thanks Randal!) Just before the image src HTML, I'm stripping off the full path and assuming the image path is /images/$_

$startdir="/www/intranet/images";
push(@dirs,$startdir);
    foreach $dir (@dirs)
    {
        opendir(DIR,"$dir") || die "opendir $dir failed";
        @list = grep(!/^\.\.?$/,readdir(DIR));
        closedir(DIR);

        foreach $item (@list)
        {
            $fullname = $dir."/".$item; # add the directory name to th
+e file name
            if (-d $fullname)
            { 
               push(@dirs,$fullname);
               print "$item<br>";
            }
        }
    }
        
print "Content-type:text/html\n\n";
        
&parse;
                
print qq|
<html>
<head>
<link rel="stylesheet" type="text/css" href="/include/style.css"/>
</head>
<body>
<p>
<form action=/cgi-bin/images.cgi method=post>
<select name=pic>
<option value=$FORM{'pic'} selected>$FORM{'pic'}
|;

foreach $thisdir (@dirs)
{
print qq|
<option value="$thisdir">$thisdir   
|;
}

print qq|
<input type=submit value="Go!">
</form>
</html>
|;
 
opendir(DIR,"$FORM{'pic'}") || die "opendir $dir failed";
@piclist = grep(!/^\.\.?$/,readdir(DIR));
closedir(DIR);

print "<table cellpadding=10 cellspacing=0 width=100%>";

while (@piclist)
{
        my @row_entries= splice (@piclist, 0, 5);
        print "<tr>";
        for (@row_entries)
                {
                print "<td>";
                $FORM{'pic'} =~ s/\/www\/intranet//;
                print qq|
                <img src=$FORM{'pic'}/$_><br>$_<p>
                |;
                print "</td>";
                }
        print "</tr>";
}
sub parse
{ 
read(STDIN, $buffer, $ENV{'CONTENT_LENGTH'});
@pairs = split(/&/, $buffer);
foreach $pair (@pairs)
{
($name, $value) = split(/=/, $pair);
$value =~ tr/+/ /;
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
$FORM{$name} = $value;
}
}
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Re: simple image gallery generated by server image directory by kryberg (Pilgrim) on Sep 26, 2002 at 13:38 UTC
This is totally cool! I have been working on a vary similar thing for a web-based photo gallery. I had users picking a category (directory) from a form, then generated a page of images and text description by Read more... (1128 Bytes)	[reply] [d/l] [select]
Re: simple image gallery generated by server image directory by kryberg (Pilgrim) on Sep 30, 2002 at 16:46 UTC
I thought this code was really neat because I was working on something similar. So I took it and made some changes, that hopefully improve it. I also broke it up into two files because of some of the other things I'm going to add for my specific project. I would be interested to know if anybody else has suggestions on how to make it better, just to help me learn. Also, even though it works for me, I really don't understand what the line `$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;` is doing. If anybody can help shed some light on that, I'd appreciate it. Read more... (4 kB)	[reply] [d/l] [select]