Documented duplicate feature; fixed a bug in duplicate caused by nonexistent notebooks

vns

@@ -143,7 +143,7 @@ vns_printHelp (){
     # printHelp
     # Prints help information to stdout
 
-    printf "%s"   "usage: vns [-cedlpqr] <notebook/section/name>"
+    printf "%s"   "usage: vns [-cdelpqr] <notebook/section/name>"
     printf "\\n%s" "       vns -I GPG_RECIPIENT (GPG_RECIPIENTS...)"
     printf "\\n%s" "       vns -h"
     printf "\\n%s" "       vns git ..."
@@ -159,6 +159,7 @@ vns_printHelp (){
     printf "\\n%s" "  -p : Print note to console"
     printf "\\n%s" "  -q : Query notes for expression"
     printf "\\n%s" "  -r : Rename/move a note"
+    printf "\\n%s" "  -u : Duplicate note as given path"
     printf "\\n\\n"
 
 }
@@ -444,7 +445,7 @@ vns_duplicate () {
                 vns_raise "User declined overwrite" 0;;
         esac
     fi
-
+    mkdir -p "$VNS_STORE/$(dirname $2)"
     cp "$VNS_STORE/$1.gpg" "$VNS_STORE/$2.gpg"
     vns_git add "$VNS_STORE/$2.gpg"
 }