attachment script and markdown preview

astroid/config

@@ -44,7 +44,8 @@
         "charset": "utf-8",
         "save_draft_on_force_quit": "true",
         "attachment_words": "attach,anbei,anhang,angehängt",
-        "attachment_directory": "~"
+        "attachment_directory": "~",
+        "markdown_processor": "marked"
     },
     "mail": {
         "reply": {

astroid/scripts/attachment-saver.sh

@@ -6,7 +6,7 @@
 # based on https://github.com/astroidmail/astroid/issues/339#issuecomment-300491869
 
 cachedir=~/.cache/astroid-attachments
-attachment=$(echo "$1" | sed -E "s#.*astroid/.+?-##")
+attachment=$(echo "$1" | sed -E "s|.*astroid/[a-zA-Z0-9]*?-||")
 
 touch $cachedir/token."$attachment"