README.md

@@ -1,11 +0,0 @@
-# Usage
-
-pgsplit takes a PostgreSQL dump with multiple databases through STDIN and extracts them to the current directory, named with the database name and an .sql extension.
-
-`pgsplit -list` prints the database names contained in the SQL dump.
-
-`pgsplit` extracts all databases.
-
-`pgsplit -include-all -except foo -except bar` extracts all databases except for foo and bar.
-
-`pgsplit -exclude-all -except foo -except bar` extracts only databases foo and bar.

flag.go

@@ -19,31 +19,17 @@ func (i *arrayFlags) Set(value string) error {
 }
 
 var (
-	flagVersion    bool
-	flagList       bool
 	flagIncludeAll bool
 	flagExcludeAll bool
 	flagExcept     arrayFlags
 )
 
 func init() {
-	flag.BoolVar(&flagList, "list", false, "Only list database names.")
-	flag.BoolVar(&flagVersion, "version", false, "Prints version and exits.")
 	flag.BoolVar(&flagIncludeAll, "include-all", false, "Split out all databases, with provided exceptions.")
 	flag.BoolVar(&flagExcludeAll, "exclude-all", false, "Split out no databases, with provided exceptions.")
 	flag.Var(&flagExcept, "except", "Exception to rule, can be used multiple times")
 	flag.Parse()
 
-	if flagVersion {
-		fmt.Println(VERSION)
-		os.Exit(0)
-	}
-
-	if flagList && (flagIncludeAll || flagExcludeAll || len(flagExcept) > 0) {
-		fmt.Println("-list is not usable with any other flag.")
-		os.Exit(1)
-	}
-
 	if flagIncludeAll && flagExcludeAll {
 		fmt.Println("-include-all and -exclude-all are mutually exclusive")
 		os.Exit(1)

main.go

@@ -9,7 +9,7 @@ import (
 	"slices"
 )
 
-const VERSION = "v5"
+const VERSION = "v1"
 const MAXLINE = 1048576
 
 type Db struct {
@@ -18,12 +18,10 @@ type Db struct {
 	file      *os.File
 }
 
-func NewDb(name string) (db Db) {
+func NewDb(name string) (db Db, err error) {
 	db.Name = name
-	return
+	fmt.Printf("Database %s\n", db.Name)
-}
 
-func (db *Db) Open() (err error) {
 	db.file, err = os.OpenFile(
 		db.Name+".sql",
 		os.O_CREATE|os.O_WRONLY|os.O_TRUNC,
@@ -66,23 +64,18 @@ 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)
+				fmt.Printf("Skipping %s\n", dbName)
 				continue
 			}
 
-			fmt.Printf("Extracting %s\n", db.Name)
+			if db, err = NewDb(dbName); err != nil {
-			if flagList {
-				continue
-			}
-			if err = db.Open(); err != nil {
 				fmt.Printf("%s: %s\n", dbName, err)
 				os.Exit(1)
 			}
 		}
 
-		if !flagList && db.IsOpen() {
+		if db.IsOpen() {
 			db.Write(line)
 		}