Add files via upload

go.mod

@@ -0,0 +1,3 @@
+module spNotepad
+
+go 1.18

main.go

@@ -0,0 +1,231 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"os/exec"
+	"strings"
+)
+
+func checkError(err error) {
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+}
+
+func StreamToString(stream io.Reader) string {
+	buf := new(bytes.Buffer)
+	buf.ReadFrom(stream)
+	return buf.String()
+}
+
+func clear() {
+	cmd := exec.Command("clear")
+	cmd.Stdout = os.Stdout
+	cmd.Run()
+}
+
+func main() {
+	inp := bufio.NewReader(os.Stdin)
+	var fsel int
+	var wsel int
+	var path string
+	clear()
+	for {
+		fmt.Print("This Program is Simple CLI Notepad\n----------\n1. Write 2. Read 3. Edit 4. Delete 5. Files List 6. Clear 7. Exit\nEnter>")
+		fmt.Scanln(&fsel)
+		if fsel == 1 {
+			for {
+				fmt.Print("\nDo you want to save on Downloads Folder?\n1. Yes 2. No 3. Back\nEnter>")
+				fmt.Scanln(&wsel)
+				if wsel == 1 {
+					fmt.Print("\nEnter file name\nEnter>")
+					fmt.Scanln(&path)
+					if len(path) < 5 {
+						path = path + ".txt"
+
+					} else if len(path) >= 5 {
+						pathex := path[len(path)-4:]
+						if pathex != ".txt" {
+							path = path + ".txt"
+						}
+					}
+					f1, err := os.OpenFile("/Users/User/Downloads/"+path, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
+					checkError(err)
+					defer f1.Close()
+					fmt.Print("\n----------\n?help : Command list\n----------\n\n")
+					for {
+						fmt.Print("Enter>")
+						str, _ := inp.ReadString('\n')
+						str = strings.TrimSpace(str)
+						if str == "stopnote" {
+							break
+						} else if str == "?help" {
+							fmt.Print("----------\nstopnote : Write Stop\n----------\n")
+						} else {
+							fmt.Fprintf(f1, str)
+							fmt.Fprint(f1, "\n")
+						}
+					}
+					fmt.Print("\nSave\n\n")
+					break
+				} else if wsel == 2 {
+					fmt.Print("\nEnter Full Path (ex. /Users/User/Test.txt)\nEnter>")
+					fmt.Scanln(&path)
+					pathex := path[len(path)-4:]
+					if pathex != ".txt" {
+						path = path + ".txt"
+					}
+					f1, err := os.OpenFile(path, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
+					checkError(err)
+					defer f1.Close()
+					fmt.Print("\n")
+					for {
+						fmt.Print("Enter>")
+						str, _ := inp.ReadString('\n')
+						str = strings.TrimSpace(str)
+						if str == "stopnote" {
+							break
+						} else if str == "?help" {
+							fmt.Print("----------\nstopnote : Write Stop\n----------\n")
+						} else {
+							fmt.Fprintf(f1, str)
+							fmt.Fprint(f1, "\n")
+						}
+					}
+					fmt.Print("\nSave")
+					break
+				} else if wsel == 3 {
+					fmt.Print("\n")
+					break
+				}
+			}
+		} else if fsel == 2 {
+			fmt.Print("\nEnter Full Path (ex. /Users/User/Test.txt) or Back\nEnter>")
+			fmt.Scanln(&path)
+			if path == "Back" || path == "back" || path == "BACK" {
+				fmt.Print("\n")
+				continue
+			}
+
+			input, err := ioutil.ReadFile(path)
+			if err != nil {
+				log.Fatalln(err)
+			}
+
+			lines := strings.Split(string(input), "\n")
+
+			fmt.Print("\n")
+
+			for i := range lines {
+				fmt.Print(i, " : ", lines[i]+"\n")
+			}
+
+			fmt.Print("\n")
+		} else if fsel == 3 {
+			var seli int
+			var rest string
+			var cnt = -1
+
+			fmt.Print("\nEnter Full Path (ex. /Users/User/Test.txt) or Back\nEnter>")
+			fmt.Scanln(&path)
+			if path == "Back" || path == "back" || path == "BACK" {
+				fmt.Print("\n")
+				continue
+			}
+
+			fmt.Print("\n")
+			input, err := ioutil.ReadFile(path)
+			if err != nil {
+				log.Fatalln(err)
+			}
+
+			lines := strings.Split(string(input), "\n")
+
+			for i := range lines {
+				fmt.Print(i, " : ", lines[i]+"\n")
+				cnt++
+			}
+
+			for {
+				fmt.Print("\nSelect Line\nEnter>")
+				fmt.Scanln(&seli)
+				if seli <= cnt && seli >= 0 {
+					break
+				} else {
+					fmt.Print("\nTry again1\n")
+				}
+			}
+			fmt.Print("\nEnter New String (Line Delete : Enter)\nEnter>")
+			fmt.Scanln(&rest)
+			lines[seli] = rest
+
+			output := strings.Join(lines, "\n")
+			err = ioutil.WriteFile(path, []byte(output), 0644)
+			if err != nil {
+				log.Fatalln(err)
+			}
+
+			fmt.Print("\nFinish Edit\n\n")
+		} else if fsel == 4 {
+			fmt.Print("\nEnter Full Path (ex. /Users/User/Test.txt) or Back\nEnter>")
+			fmt.Scanln(&path)
+			if path == "Back" || path == "back" || path == "BACK" {
+				fmt.Print("\n")
+				continue
+			}
+
+			err3 := os.Remove(path)
+			if err3 != nil {
+				panic(err3)
+			}
+
+			fmt.Print("\nFile Delete\n\n")
+		} else if fsel == 5 {
+			var lsel int
+			for {
+				fmt.Print("\nDo you want to list of Downloads Files?\n1. Yes 2. No 3. Back\nEnter>")
+				fmt.Scanln(&lsel)
+				if lsel == 1 {
+					fmt.Print("\n")
+					cmd := exec.Command("ls", "-1")
+					cmd.Dir = "/Users/User/Downloads"
+					cmd.Stdout = os.Stdout
+					cmd.Run()
+					fmt.Print("\n")
+					break
+				} else if lsel == 2 {
+					fmt.Print("\nEnter Full Path (ex. /Users/User/Test.txt) or Back\nEnter>")
+					fmt.Scanln(&path)
+					fmt.Print("\n")
+					cmd := exec.Command("ls", "-1")
+					cmd.Dir = path
+					cmd.Stdout = os.Stdout
+					cmd.Run()
+					fmt.Print("\n")
+					break
+				} else if lsel == 3 {
+					fmt.Print("\n")
+					break
+				} else {
+					fmt.Print("\nTry again\n")
+				}
+			}
+		} else if fsel == 6 {
+			cmd := exec.Command("clear")
+			cmd.Stdout = os.Stdout
+			cmd.Run()
+		} else if fsel == 7 {
+			fmt.Print("\nGoodbye.\n")
+			break
+		} else {
+			fmt.Print("\nTry again\n\n")
+		}
+	}
+}