X-Git-Url: https://git.sesse.net/?p=webpdf;a=blobdiff_plain;f=createpdf.pl;fp=createpdf.pl;h=04233306b166270661faf91ef7dae00d855c21cc;hp=f33bbc5f6c95443fda34ef5168f6a22d7b5eb324;hb=28bec6d326a508b3fa2877d6613b40e530881369;hpb=8a306b3d0f351d8fa0efc3b8cc9b4fde45c08c0a

diff --git a/createpdf.pl b/createpdf.pl
index f33bbc5..0423330 100755
--- a/createpdf.pl
+++ b/createpdf.pl
@@ -153,24 +153,26 @@ EOF
 	exit;
 }
 
-# Make a thumbnail from the finished PDF, for later reference. (Output to
-# stdout is so we make sure we get only the first page; it's the simplest
-# hack I can find offhand. :-) )
-system("convert -resize 192x192 output/$pdf_filename png:- > output/$pdf_filename.png");
-open DESC, ">output/$pdf_filename.desc";
+my $size = -s "output/$pdf_filename";
 
-if ($url =~ /^http/i) {
-	$url =~ tr/\n//d;
-	print DESC "$url\n";
-} else {
-	$filename =~ tr/\n//d;
-	print DESC "$filename\n";
-}
+if (defined($size) && $size > 0) {
+	# Make a thumbnail from the finished PDF, for later reference. (Output to
+	# stdout is so we make sure we get only the first page; it's the simplest
+	# hack I can find offhand. :-) )
+	system("convert -resize 192x192 output/$pdf_filename png:- > output/$pdf_filename.png");
+	open DESC, ">output/$pdf_filename.desc";
+
+	if ($url =~ /^http/i) {
+		$url =~ tr/\n//d;
+		print DESC "$url\n";
+	} else {
+		$filename =~ tr/\n//d;
+		print DESC "$filename\n";
+	}
 
-close DESC;
+	close DESC;
+}
 	
-my $size = -s "output/$pdf_filename";
-
 (my $sanitized_outname = $outname) =~ tr/a-zA-Z0-9. -/_/c;
 
 print "Content-type: application/pdf\n";