create path when parent of file to be written does not exist

+ usage for frappy command

install.py

@@ -312,6 +312,7 @@ def write_when_new(filename, content, as_root=False, ignore_reduction=False):
             return False
     if doit:
         if lines:
+            Path(filename).parent.mkdir(parents=True, exist_ok=True)
             with tempfile.NamedTemporaryFile('w') as fil:
                 fil.write(content)
                 fil.flush()

to_home/.bash_profile

@@ -10,7 +10,11 @@ pathadd ~/.local/bin
 pathadd ~/frappy/bin
 
 frappy() {
-  systemctl --user $1 frappy
+  if [[ -z "$1" ]]; then
+    echo "Usage: frappy status|start|stop|restart"
+  else
+    systemctl --user $1 frappy
+  fi
 }
 
 boxweb() {