Better handling of list, bumped to v4

main.go

@@ -9,7 +9,7 @@ import (
 	"slices"
 )
 
-const VERSION = "v3"
+const VERSION = "v4"
 const MAXLINE = 1048576
 
 type Db struct {
@@ -18,10 +18,12 @@ type Db struct {
 	file      *os.File
 }
 
-func NewDb(name string) (db Db, err error) {
+func NewDb(name string) (db Db) {
 	db.Name = name
-	fmt.Printf("Database %s\n", db.Name)
+	return
+}
 
+func (db *Db) Open() (err error) {
 	db.file, err = os.OpenFile(
 		db.Name+".sql",
 		os.O_CREATE|os.O_WRONLY|os.O_TRUNC,
@@ -64,12 +66,17 @@ func main() {
 			prevDb.Close()
 
 			dbName := dbMatch[1]
+			db = NewDb(dbName)
 			if (flagIncludeAll && slices.Contains(flagExcept, dbName)) || (flagExcludeAll && !slices.Contains(flagExcept, dbName)) {
 				fmt.Printf("Skipping %s\n", dbName)
 				continue
 			}
 
-			if db, err = NewDb(dbName); err != nil {
+			fmt.Printf("Database %s\n", db.Name)
+			if flagList {
+				continue
+			}
+			if err = db.Open(); err != nil {
 				fmt.Printf("%s: %s\n", dbName, err)
 				os.Exit(1)
 			}
@@ -79,7 +86,7 @@ func main() {
 			db.Write(line)
 		}
 
-		if !flagList && dbDone.MatchString(line) {
+		if dbDone.MatchString(line) {
 			db.Completed = true
 			db.Close()
 			prevDb = db