Updated to include a manual config specification if you want to try different models.

.gitignore

@@ -1,3 +1,4 @@
 .aider*
 .env
 *.png
+gonamer

README.md

@@ -4,7 +4,7 @@ Gonamer is a command-line tool written in Go that uses any openai compatible  vi
 
 ## Features
 
-- Uses OpenAI's vision model to analyze image content
+- Uses any OpenAI compatible vision model to analyze image content
 - Supports JPG, JPEG, PNG, and GIF formats
 - Generates unique, descriptive filenames
 - Handles filename conflicts automatically
@@ -22,7 +22,9 @@ go get gopkg.in/yaml.v3
 
 ## Configuration
 
-Create a configuration file at `~/.config/gonamer.yaml` with the following structure:
+By default, Gonamer looks for a configuration file at `~/.config/gonamer.yaml`. You can also specify a custom configuration file using the `-c` flag.
+
+Create a configuration file with the following structure:
 
 ```yaml
 apikey: "your-api-key"
@@ -38,12 +40,16 @@ Make sure to replace:
 ## Usage
 
 ```bash
-gonamer <image_filename>
+gonamer [-c config.yaml] <image_filename>
 ```
 
 For example:
 ```bash
+# Using default config at ~/.config/gonamer.yaml
 gonamer vacation_photo.jpg
+
+# Using a custom config file
+gonamer -c custom-config.yaml vacation_photo.jpg
 ```
 
 The tool will:

gonamer.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"encoding/base64"
 	"encoding/json"
+	"flag"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -63,8 +64,12 @@ type Config struct {
 }
 
 func main() {
+	var configFile string
+	flag.StringVar(&configFile, "c", "", "Path to config file")
+	flag.Parse()
+
 	// Get the config file path
-	configFilePath, err := getConfigFilePath()
+	configFilePath, err := getConfigFilePath(configFile)
 	if err != nil {
 		log.Fatalf("Error getting config file path: %v", err)
 	}
@@ -76,11 +81,12 @@ func main() {
 	}
 
 	// Get the image filename from the command-line arguments
-	if len(os.Args) < 2 {
-		fmt.Println("Usage: go run main.go <image_filename>")
+	if len(flag.Args()) < 1 {
+		fmt.Println("Usage: gonamer [-c config.yaml] <image_filename>")
+		flag.PrintDefaults()
 		return
 	}
-	imageFilename := os.Args[1]
+	imageFilename := flag.Arg(0)
 
 	// Validate the image filename extension
 	if !ImageExtensionRegex.MatchString(imageFilename) {
@@ -106,7 +112,10 @@ func main() {
 }
 
 // getConfigFilePath returns the path to the config file.
-func getConfigFilePath() (string, error) {
+func getConfigFilePath(configFile string) (string, error) {
+	if configFile != "" {
+		return configFile, nil
+	}
 	homeDir, err := os.UserHomeDir()
 	if err != nil {
 		return "", err