Add --filter batch mode, rename binary to gormcol

README.md

@@ -69,15 +69,19 @@ go install ./cmd/gormcol
 ### Usage
 
 ```
-gormcol-gen [options]
+gormcol [options]
 ```
 
 DSN can be provided via `--dsn` flag or `DSN` env var (from `.env` file).
 
+**Modes:**
+- **Interactive (default)**: select tables with fzf
+- **Batch (`--filter` or `--all`)**: generate matching tables with confirmation
+
 | Flag     | Default                | Description                                      |
 |----------|------------------------|--------------------------------------------------|
 | `--dsn`  | *(from DSN env)*       | MySQL/MariaDB DSN, e.g. `user:pass@tcp(localhost:3306)/dbname` |
-| `--filter` | `(ps_|b2b_).*`       | Regex matching table names to generate           |
+| `--filter` | *(interactive)*       | Regex matching table names to generate (triggers batch mode) |
 | `--all`  | *(interactive)*       | Generate all tables matching filter (shows confirmation) |
 | `--out`  | `./app/model/dbmodel` | Output directory for generated files            |
 | `--pkg`  | `dbmodel`              | Go package name for generated files              |
@@ -87,7 +91,7 @@ DSN can be provided via `--dsn` flag or `DSN` env var (from `.env` file).
 Without flags, the tool launches an interactive table selector:
 
 ```bash
-gormcol-gen --dsn "user:pass@tcp(localhost:3306)/mydb"
+gormcol --dsn "user:pass@tcp(localhost:3306)/mydb"
 ```
 
 Features:
@@ -96,12 +100,20 @@ Features:
 - **Enter** - confirm selection
 - **Esc** - cancel
 
-### Generate All Tables
+### Batch Mode (--filter)
 
-Use `--all` to generate all tables matching the filter:
+Use `--filter` to generate all tables matching a regex pattern:
 
 ```bash
-gormcol-gen --dsn "user:pass@tcp(localhost:3306)/mydb" --all
+gormcol --dsn "user:pass@tcp(localhost:3306)/mydb" --filter "ps_product.*"
+```
+
+### Generate All Tables (--all)
+
+Use `--all` to generate all tables matching the default filter `(ps_|b2b_).*`:
+
+```bash
+gormcol --dsn "user:pass@tcp(localhost:3306)/mydb" --all
 ```
 
 A confirmation prompt appears:
@@ -115,7 +127,7 @@ WARNING: Generate all 325 tables? [Enter] confirm / [Esc] cancel
 ### Example
 
 ```bash
-./gormcol-gen --dsn "user:pass@tcp(localhost:3306)/mydb" --filter "ps_.*" --out ./internal/model --pkg model
+./gormcol --dsn "user:pass@tcp(localhost:3306)/mydb" --filter "ps_.*" --out ./internal/model --pkg model
 ```
 
 This connects to the database, generates a `.go` model file for each matching table, and appends `<Model>Cols` variables with typed `gormcol.Field` descriptors to each file.

cmd/gormcol/main.go

@@ -20,14 +20,17 @@ import (
 // and generates GORM models with column descriptors.
 func main() {
 	dsn := flag.String("dsn", "", "database DSN (e.g. user:pass@tcp(host:3306)/dbname)")
-	filter := flag.String("filter", "(ps_|b2b_).*", "regex to match table names")
+	filter := flag.String("filter", "", "regex to match table names (triggers batch mode)")
 	all := flag.Bool("all", false, "generate all tables matching filter (shows confirmation)")
 	outDir := flag.String("out", "./app/model/dbmodel", "output directory for generated files")
 	pkgName := flag.String("pkg", "dbmodel", "Go package name for generated files")
 	flag.Usage = func() {
-		fmt.Fprintf(os.Stderr, "gormcol-gen - generate GORM models with column descriptors\n\n")
+		fmt.Fprintf(os.Stderr, "gormcol - generate GORM models with column descriptors\n\n")
 		fmt.Fprintf(os.Stderr, "Usage:\n")
-		fmt.Fprintf(os.Stderr, "  gormcol-gen [options]\n\n")
+		fmt.Fprintf(os.Stderr, "  gormcol [options]\n\n")
+		fmt.Fprintf(os.Stderr, "Modes:\n")
+		fmt.Fprintf(os.Stderr, "  - Interactive (default): select tables with fzf\n")
+		fmt.Fprintf(os.Stderr, "  - Batch (--filter or --all): generate matching tables with confirmation\n\n")
 		fmt.Fprintf(os.Stderr, "DSN can be provided via --dsn flag or DSN env var (from .env)\n\n")
 		fmt.Fprintf(os.Stderr, "Flags:\n")
 		flag.PrintDefaults()
@@ -65,15 +68,25 @@ func main() {
 		TableFilter: *filter,
 	}
 
-	// Interactive mode (default): select tables using fzf.
-	// All mode: generate all tables matching filter with confirmation.
-	if *all {
+	// Modes:
+	// 1. --all: generate all tables matching filter with confirmation
+	// 2. --filter: generate all tables matching provided regex with confirmation
+	// 3. Default: interactive mode with fzf
+	if *all || *filter != "" {
+		if *filter == "" {
+			// --all without explicit filter, use default
+			cfg.TableFilter = "(ps_|b2b_).*"
+		}
+		yellow := "\033[33m"
+		reset := "\033[0m"
+		fmt.Printf("%sBatch mode:%s generating tables matching filter '%s'\n", yellow, reset, cfg.TableFilter)
 		if !confirmGenerateAll(db) {
 			fmt.Println("Aborted.")
 			os.Exit(0)
 		}
 	} else {
-		// Check if fzf is available for interactive mode.
+		// Interactive mode
+		// Check if fzf is available.
 		if _, err := exec.LookPath("fzf"); err != nil {
 			fmt.Fprintln(os.Stderr, "error: fzf is required for interactive mode. Install from https://github.com/junegunn/fzf")
 			os.Exit(1)