examples clean , code optimize

Signed-off-by: zhanluxianshen <zhanluxianshen@163.com>

api/examples/README.md

@@ -13,6 +13,9 @@ go run example_name/main.go
 - [generate/main.go](generate/main.go)
 - [generate-streaming/main.go](generate-streaming/main.go)
 
+## Generate - Generate text from a multimodal
+- [multimodal/main.go](multimodal/main.go)
+
 ## Pull - Pull a model
 - [pull-progress/main.go](pull-progress/main.go)
 

api/examples/generate-streaming/main.go

@@ -8,6 +8,11 @@ import (
 	"github.com/ollama/ollama/api"
 )
 
+var (
+	False = false
+	True  = true
+)
+
 func main() {
 	client, err := api.ClientFromEnvironment()
 	if err != nil {
@@ -18,6 +23,8 @@ func main() {
 	req := &api.GenerateRequest{
 		Model:  "gemma2",
 		Prompt: "how many planets are there?",
+		// set streaming to false
+		Stream: &True,
 	}
 
 	ctx := context.Background()

api/examples/generate/main.go

@@ -8,6 +8,11 @@ import (
 	"github.com/ollama/ollama/api"
 )
 
+var (
+	False = false
+	True  = true
+)
+
 func main() {
 	client, err := api.ClientFromEnvironment()
 	if err != nil {
@@ -19,7 +24,7 @@ func main() {
 		Prompt: "how many planets are there?",
 
 		// set streaming to false
-		Stream: new(bool),
+		Stream: &False,
 	}
 
 	ctx := context.Background()

cmd/cmd.go

@@ -342,10 +342,12 @@ func RunHandler(cmd *cobra.Command, args []string) error {
 	if len(info.ProjectorInfo) != 0 {
 		opts.MultiModal = true
 	}
-	for k := range info.ModelInfo {
-		if strings.Contains(k, ".vision.") {
-			opts.MultiModal = true
-			break
+	if !opts.MultiModal {
+		for k := range info.ModelInfo {
+			if strings.Contains(k, ".vision.") {
+				opts.MultiModal = true
+				break
+			}
 		}
 	}