open (FOO, $cmd_markdownify) or die_error(500, "Open git-cat-file blob '$thash' failed");
while (<FOO>) {
if ($_ =~ /(<img[^>]src=")(.*?)"/) {
open (FOO, $cmd_markdownify) or die_error(500, "Open git-cat-file blob '$thash' failed");
while (<FOO>) {
if ($_ =~ /(<img[^>]src=")(.*?)"/) {