\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
 PNG

\x89\x50\x4E\x47\x0D\x0A\x1A\x0A
#RMD $FISH_FILENAME
if rmdir "/${FISH_FILENAME}" 2>/dev/null; then
   echo "### 000"
else
   echo "### 500"
fi