fixed the parsing of "-"

input_parser/input_parser.go

@@ -26,9 +26,11 @@ func parse(input string) Input {
 	instruction := strings.TrimSpace(split[0])
 	var flags []string
 	var args []string
-	
+
 	for _, arg := range split[1:] {
-		if arg[0:2] == "--" {
+		if len(arg) == 1 && arg[0] == '-' {
+			continue
+		} else if arg[0:2] == "--" {
 			var result = strings.TrimSpace(arg)
 			flags = append(flags, string(result[2:]))
 			continue

input_parser/test_test.go

@@ -6,7 +6,7 @@ import (
 )
 
 func TestParse(t *testing.T) {
-	test := parse("ls -abcd hej -ee tbtry --help")
+	test := parse("ls -abcd hej -ee tbtry --help - -o")
 	fmt.Println(test.Instruction)
 	fmt.Println(test.Args)
 	fmt.Println(test.Flags)