Trying to figure out how this File::Spec and Cwd thing works.

symlink-images-by-aspect-ratio.pl

@@ -5,13 +5,16 @@ use strict;
 
 use File::Find::Wanted;
 use File::Basename;
+use Cwd qw/ realpath abs_path /;
+use File::Spec;
+use File::Spec::Functions;
 use Image::EXIF;
 use Data::Dumper::Simple;
 use Math::Round;
 
 my $conf = {
-    src_dir => "./pics",
-    dst_dir => "./links", 
+    src_dir => "pics",
+    dst_dir => "links", 
 };
 
 # verify the source dir
@@ -95,7 +98,8 @@ print "Aspect ratio information for all images (aspect ratio => number of occure
 print Dumper $ars;
 print "\n";
 
-# Create destination directories
+# Create destination directories. TODO: use something smarter than just string
+# concatenation.
 print "Creating destination directories: ";
 foreach my $d (keys %$ars) {
     my $dirname = $conf->{dst_dir} . "/" . $d;
@@ -109,14 +113,19 @@ print "Symlinking source files into destination directories.\n";
 foreach my $f (keys %$files) {
     next unless exists $files->{$f}->{ar};
 
-    # construct the symlink name
+    # Construct the symlink path. TODO: use something smarter than just string
+    # concatenation.
     my $name = basename($f);
     my $ar = $files->{$f}->{ar};
-    my $dest = $conf->{dst_dir} . "/" . $ar . "/" . $name;
+    my $symlink = $conf->{dst_dir} . "/" . $ar . "/" . $name;
+
+    # Costruct the relative path that the symlink points to
+    my $path = File::Spec->abs2rel(realpath($f), realpath($symlink));
+
+    print "f='$f' symlink='$symlink' path='$path' abs_path(f)='" . abs_path($f) . "'\n";
 
     # symlink
-    print "$f -> $dest\n";
-    symlink($f, $dest);
+    print "symlink($path, $symlink);\n";
 }
 
 # vim: set ts=4 sw=4 et cc=80: