Select Code to Download

  my @img = map  { $_->[0] }
            sort { $tsort{$Option{thumbsorting}}->() }
...
            # convert can't deal with .ico files (yet)
            # Tk can deal with Tiff/NEF as of 804.027_501 with Tk::TIF
+F
            grep m/\.(jpe?g|gif|x[pb]m|png|bmp|tiff?|nef)$/i => @file_
+names;

@out = map substr ($_, 1 + rindex $_, "\0") =>
       sort =>
       map "\L$_\E\0$_" =>
       @in;

# sort file names by the (first) sequence of digits, then by size
my @sorted = map  { $_->[0],
...
             map  { m/(\d+)/; # sort by digits in file name
                    [ $_, pack "l>l>", $1 || 0, -s $_ ] }
             @filelist;