diff --git a/script/problem_migrate.rb b/script/problem_migrate.rb
new file mode 100644
--- /dev/null
+++ b/script/problem_migrate.rb
@@ -0,0 +1,21 @@
+Problem.all.each do |p|
+  next unless p.description_filename
+  basename, ext = p.description_filename.split('.')
+  filename = "#{Problem.download_file_basedir}/#{p.id}/#{basename}.#{ext}"
+
+  if File.exists? filename
+    p.statement.attach io: File.open(filename), filename: "#{basename}.#{ext}"
+    puts "#{p.id}: OK"
+  else
+    puts "#{p.id}: #{p.name} #{filename} ERROR"
+  end
+
+  d = Description.where(id: p.description_id).first
+  if d
+    p.description = d.body
+    p.markdown = d.markdowned
+  end
+  p.save
+
+  
+end