Added --help and creating already existing file

Author: geoffrey1330

main.go

@@ -3,11 +3,36 @@ package main
 import (
 	"flag"
 	"fmt"
+	"os"
 )
 
 func main() {
+
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "Usage: filecommander <command> <args>\n")
+		fmt.Fprintf(os.Stderr, "\nCommands:\n")
+		fmt.Fprintf(os.Stderr, "  create <filename>   Create a new file\n")
+		fmt.Fprintf(os.Stderr, "  read <filename>     Read the contents of a file\n")
+		fmt.Fprintf(os.Stderr, "  write <filename> <content>  Write content to a file\n")
+		fmt.Fprintf(os.Stderr, "  delete <filename>   Delete a file\n")
+		fmt.Fprintf(os.Stderr, "  list <directory>    List files in a directory\n")
+		fmt.Fprintf(os.Stderr, "  copy <srcfile> <destfile>   Copy a file to a new location\n")
+		fmt.Fprintf(os.Stderr, "  move <srcfile> <destfile>   Move a file to a new location\n")
+		fmt.Fprintf(os.Stderr, "  search <directory> <filename>   Search for a file in a directory\n")
+		fmt.Fprintf(os.Stderr, "\nOptions:\n")
+		flag.PrintDefaults()
+	}
+
+	// Define flags
+	help := flag.Bool("help", false, "Show help")
+
 	flag.Parse()
 
+	if *help {
+		flag.Usage()
+		return
+	}
+
 	args := flag.Args()
 	if len(args) < 1 {
 		fmt.Println("Usage: filecommander <command> <args>")

utils.go

@@ -8,6 +8,24 @@ import (
 )
 
 func createFile(filename string) {
+	if _, err := os.Stat(filename); err == nil {
+		// File exists, prompt user to overwrite
+		answer := ""
+		for answer != "y" && answer != "n" {
+			fmt.Print("File already exists. Do you want to overwrite it? (y/n): ")
+			_, err := fmt.Scanln(&answer)
+			if err != nil {
+				fmt.Println(err)
+				return
+			}
+		}
+
+		if answer == "n" {
+			return
+		}
+	}
+
+	// Create the file
 	file, err := os.Create(filename)
 	if err != nil {
 		fmt.Println("Error creating file:", err)