aerials.pl

#!/usr/bin/perl -w
#---------------------------------------------------------------------------------------------------------
# aerials.pl - this lists the contents of a folder of photos as clickable thumbnail images
# - written by Eric Pence
#---------------------------------------------------------------------------------------------------------
use strict;
use CGI qw(-oldstyle_urls :standard);
use CGI::Carp qw(fatalsToBrowser);
use IO::File;
 
# Define global variables
use vars qw($curr_dir $log_file);
 
#---------------------------------------------------------------------------------------------------------
# Grab the current directory from $0.  The following regular expression
# looks for 'CURR_DIR\xxxxx.xxx' or 'CURR_DIR/xxxxx.xxx'.  Place it in
# the BEGIN block so we can use it to include modules
#---------------------------------------------------------------------------------------------------------
BEGIN  {
  $0 =~ '(.*[\\\/])\w+\.\w+$';
  $curr_dir = $1 || "./";

  # Set up error log file
  $log_file = "error_log.txt";
  use CGI::Carp qw(carpout);
  open(LOG, ">>${curr_dir}${log_file}")
        or die "Unable to append to error log: $!";
  carpout(*LOG);
}
 
use lib ( $curr_dir );
 
my $filename = '';
my $aerials = '';
my @dir_contents = '';
my $work_dir = "../pics/aerials";
  
opendir(DIR,$work_dir) || die("Cannot open directory $work_dir!\n");
@dir_contents = sort readdir(DIR);
closedir(DIR);
 
# Display the images as clickable thumbnails
foreach $filename (@dir_contents) {
  if (lc($filename) =~ /\.jpg/) {
    # Extract caption from filename
    my $caption = $filename;
    $caption =~ s/\.jpg//; # Remove extension
    $caption =~ s/\.JPG//;
    $caption =~ s/(\D+)\d*/$1/;  # Remove any numbers at the end of the filename
    $aerials = "$aerials
      <div style=\"float:left;width:125px;height:125px\" align=\"center\">
        <a href=\"../pics/aerials/$filename\"><img src=\"../pics/aerials/$filename\" 
        border=\"0\" hspace=\"20\" height=\"70\" title=\"$caption\" /></a><br />
        $caption
      </div>";
  }
}
 
print header();
print "<html>
<table cellpadding=\"15\">
  <tr>
    <td width=\"5\"></td>
    <td valign=\"top\">
      $aerials
    </td>
    <td width=\"5\"></td>
  </tr>
</table>
</body>
</html>";

exit;