feat: wogihrsoiuvjsroirgj

internal/cli/arguments.go

@@ -0,0 +1,28 @@
+package cli
+
+import (
+	"flag"
+	"fmt"
+)
+
+type CLIOptions struct {
+	Input   string
+	Verbose bool
+}
+
+func ParseOptions(args []string) (*CLIOptions, error) {
+	// Parse flags and arguments.
+	verbose := flag.Bool("v", false, "Verbosity. If set, the program will print logs.")
+	flag.Parse()
+
+	if flag.NArg() == 0 {
+		return nil, fmt.Errorf("No input given.")
+	} else if flag.NArg() > 1 {
+		return nil, fmt.Errorf("More than 1 command-line argument.")
+	}
+
+	return &CLIOptions{
+		Input:   flag.Arg(0),
+		Verbose: *verbose,
+	}, nil
+}