add features and edit readmefile

- Se agrego la flag --emojis
- Se agrego la flag --details
- Se agrego la flag --tree

README.md

@@ -66,7 +66,10 @@ alias ls='~/GoLS'
 
 ## Flags
 
-| Flag   | Description                 | Values  | Default |
-|--------|-----------------------------|---------|-------- |
-| -a     | Show hidden files           | boolean | false   |
-| -depth | How deep the search will be | int     | 0       |
+| Flag     | Description                 | Values  | Default |
+|----------|-----------------------------|---------|-------- |
+| -a       | Show hidden files           | boolean | false   |
+| -depth   | How deep the search will be | int     | 0       |
+| -details | Show de file/dir details    | bollean | false   |
+| -tree    | Show the files in tree view | boolean | false   |
+| -emoji   | Show emojis in the view     | boolean | false   |

main.go

@@ -4,15 +4,18 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"os/user"
 	"path/filepath"
 	"strings"
+	"syscall"
+	"time"
 )
 
-func ReadFolder(path string, showAll bool, maxDepth int) {
-	readFolderRecursive(path, showAll, 0, maxDepth, "")
+func ReadFolder(showDetails bool, path string, showAll bool, maxDepth int, showEmojis bool) {
+	readFolderRecursive(showDetails, path, showAll, 0, maxDepth, "", showEmojis)
 }
 
-func readFolderRecursive(path string, showAll bool, depth, maxDepth int, prefix string) {
+func readFolderRecursive(showDetails bool, path string, showAll bool, depth, maxDepth int, prefix string, showEmojis bool) {
 	if maxDepth >= 0 && depth > maxDepth {
 		return
 	}
@@ -28,41 +31,139 @@ func readFolderRecursive(path string, showAll bool, depth, maxDepth int, prefix
 			continue
 		}
 
-		var fileType string
+		fileName := f.Name()
+		filePath := filepath.Join(path, fileName)
+		var details string
+		if showDetails {
+			details = getDetails(filePath)
+		}
+
 		if f.IsDir() {
-			fileType = "📁"
-		} else {
-			fileType = "📄"
+			if showEmojis {
+				fileName = fmt.Sprintf("📁%s", fileName)
+			} else {
+				fileName = fileName + "/"
+			}
+		} else if showEmojis {
+			fileName = fmt.Sprintf("📄%s", fileName)
 		}
 
 		if depth == 0 {
 			if i == len(files)-1 {
-				fmt.Printf("%s└──%s%s\n", prefix, fileType, f.Name())
+				fmt.Printf("%s%s└──%s\n", details, prefix, fileName)
 				if f.IsDir() {
-					readFolderRecursive(filepath.Join(path, f.Name()), showAll, depth+1, maxDepth, prefix+"   ")
+					readFolderRecursive(showDetails, filePath, showAll, depth+1, maxDepth, prefix+"   ", showEmojis)
 				}
 			} else {
-				fmt.Printf("%s├──%s%s\n", prefix, fileType, f.Name())
+				fmt.Printf("%s%s├──%s\n", details, prefix, fileName)
 				if f.IsDir() {
-					readFolderRecursive(filepath.Join(path, f.Name()), showAll, depth+1, maxDepth, prefix+"│  ")
+					readFolderRecursive(showDetails, filePath, showAll, depth+1, maxDepth, prefix+"│  ", showEmojis)
 				}
 			}
 		} else {
 			if i == len(files)-1 {
-				fmt.Printf("%s└──%s%s\n", prefix, fileType, f.Name())
+				fmt.Printf("%s%s└──%s\n", details, prefix, fileName)
 				if f.IsDir() {
-					readFolderRecursive(filepath.Join(path, f.Name()), showAll, depth+1, maxDepth, prefix+"   ")
+					readFolderRecursive(showDetails, filePath, showAll, depth+1, maxDepth, prefix+"   ", showEmojis)
 				}
 			} else {
-				fmt.Printf("%s├──%s%s\n", prefix, fileType, f.Name())
+				fmt.Printf("%s%s├──%s\n", details, prefix, fileName)
 				if f.IsDir() {
-					readFolderRecursive(filepath.Join(path, f.Name()), showAll, depth+1, maxDepth, prefix+"│  ")
+					readFolderRecursive(showDetails, filePath, showAll, depth+1, maxDepth, prefix+"│  ", showEmojis)
 				}
 			}
 		}
 	}
 }
 
+func ListFiles(showDetails bool, path string, showAll bool, showEmojis bool) {
+	files, err := os.ReadDir(path)
+	if err != nil {
+		fmt.Printf("Error al leer la carpeta: %s : %v\n", path, err)
+		return
+	}
+
+	var maxNameLen int
+	for _, f := range files {
+		if !showAll && strings.HasPrefix(f.Name(), ".") {
+			continue
+		}
+
+		fileName := f.Name()
+		if f.IsDir() {
+			if showEmojis {
+				fileName = fmt.Sprintf("📁%s", fileName)
+			} else {
+				fileName = fileName + "/"
+			}
+		} else if showEmojis {
+			fileName = fmt.Sprintf("📄%s", fileName)
+		}
+
+		if len(fileName) > maxNameLen {
+			maxNameLen = len(fileName)
+		}
+	}
+
+	colWidth := maxNameLen + 2
+	numCols := 80 / colWidth
+	if numCols == 0 {
+		numCols = 1
+	}
+
+	var details []string
+	for _, f := range files {
+		if !showAll && strings.HasPrefix(f.Name(), ".") {
+			continue
+		}
+
+		fileName := f.Name()
+		filePath := filepath.Join(path, fileName)
+		if f.IsDir() {
+			if showEmojis {
+				fileName = fmt.Sprintf("📁%s", fileName)
+			} else {
+				fileName = fileName + "/"
+			}
+		} else if showEmojis {
+			fileName = fmt.Sprintf("📄%s", fileName)
+		}
+
+		if showDetails {
+			details = append(details, fmt.Sprintf("%s %s", getDetails(filePath), fileName))
+		} else {
+			details = append(details, fileName)
+		}
+	}
+
+	for i := 0; i < len(details); i += numCols {
+		end := i + numCols
+		if end > len(details) {
+			end = len(details)
+		}
+		fmt.Println(strings.Join(details[i:end], strings.Repeat(" ", colWidth)))
+	}
+}
+
+
+func getDetails(filePath string) string {
+	info, err := os.Stat(filePath)
+	if err != nil {
+		return "Error obteniendo detalles"
+	}
+
+	sys := info.Sys().(*syscall.Stat_t)
+	uid := sys.Uid
+	u, err := user.LookupId(fmt.Sprint(uid))
+	if err != nil {
+		return "Error obteniendo usuario"
+	}
+
+	perm := info.Mode().Perm()
+	modTime := info.ModTime().Format(time.RFC3339)
+	return fmt.Sprintf("%s %s %s", perm, u.Username, modTime)
+}
+
 func main() {
 	flag.Usage = func() {
 		fmt.Fprintf(os.Stderr, "Usage: %s [OPTIONS] [PATH]\n", os.Args[0])
@@ -72,13 +173,24 @@ func main() {
 	path := "."
 	showAll := flag.Bool("a", false, "Show all files and folders, including those beginning with '.'.")
 	maxDepth := flag.Int("depth", 0, "Maximum depth for folder traversal. Use -1 for unlimited depth.")
+	showDetails := flag.Bool("details", false, "Show file details (permissions, creator, date).")
+	showTree := flag.Bool("tree", false, "Show files and folders in a tree view.")
+	showEmojis := flag.Bool("emoji", false, "Show emojis for files and folders.")
 
 	flag.Parse()
 
 	if flag.NArg() > 0 {
 		path = flag.Arg(0)
 	}
 
-	fmt.Printf("📁%s\n", path)
-	ReadFolder(path, *showAll, *maxDepth)
+	if *showTree {
+		if *showEmojis {
+			fmt.Printf("📁%s\n", path)
+		} else {
+			fmt.Printf("%s/\n", path)
+		}
+		ReadFolder(*showDetails, path, *showAll, *maxDepth, *showEmojis)
+	} else {
+		ListFiles(*showDetails, path, *showAll, *showEmojis)
+	}
 }