deeptagger: fix README.adoc instructions

The images are under normal circumstances all symlinks.

What we're actually trying to express is `-not -type d`,
however that is not completely portable.

deeptagger/README.adoc

@@ -53,7 +53,7 @@ Tagging galleries
 The appropriate invocation depends on your machine, and the chosen model.
 Unless you have a powerful machine, or use a fast model, it may take forever.
 
- $ find "$GALLERY/images" -type f \
+ $ find "$GALLERY/images" -type l \
    | build/deeptagger --pipe -b 16 -t 0.5 \
      models/ml_caformer_m36_dec-5-97527.model \
    | sed 's|[^\t]*/||' \

deeptagger/bench.sh

@@ -28,11 +28,9 @@ run() {
 for model in models/*.model
 do
 	name=$(sed -n 's/^name=//p' "$model")
-	run ""     1 "$model" "$@"
-	run ""     4 "$model" "$@"
-	run ""    16 "$model" "$@"
-
-	run --cpu  1 "$model" "$@"
-	run --cpu  4 "$model" "$@"
-	run --cpu 16 "$model" "$@"
+	for batch in 1 4 16
+	do
+		run ""    $batch "$model" "$@"
+		run --cpu $batch "$model" "$@"
+	done
 done

main.go

@@ -296,6 +296,9 @@ func cmdInit(fs *flag.FlagSet, args []string) error {
 	if fs.NArg() != 1 {
 		return errWrongUsage
 	}
+	if err := os.MkdirAll(fs.Arg(0), 0755); err != nil {
+		return err
+	}
 	if err := openDB(fs.Arg(0)); err != nil {
 		return err
 	}