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January 5, 2018 08:58
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CLI for copy files and folders to current directory
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| package main | |
| import ( | |
| "fmt" | |
| "io" | |
| "os" | |
| "path/filepath" | |
| "strings" | |
| ) | |
| func returnError(err error) error { | |
| if err != nil { | |
| return err | |
| fmt.Println("Error") | |
| } | |
| return nil | |
| } | |
| // Copy and paste file in another folder | |
| func copyPasteFile(path, dest string) error { | |
| filePath := path | |
| file, err := os.Open(filePath) | |
| returnError(err) | |
| defer file.Close() | |
| out, err := os.Create(dest + strings.Replace(filepath.Base(filePath), "/", "\\", -1)) | |
| returnError(err) | |
| defer out.Close() | |
| _, err = io.Copy(out, file) | |
| returnError(err) | |
| return nil | |
| } | |
| // Copy and paste folder in another folder | |
| func copyPasteFolder(path, dest string) error { | |
| sourceinfo, err := os.Stat(path) | |
| returnError(err) | |
| err = os.MkdirAll(dest, sourceinfo.Mode()) | |
| returnError(err) | |
| dir, _ := os.Open(path) | |
| objects, err := dir.Readdir(-1) | |
| for _, obj := range objects { | |
| srcFilePointer := path + "/" + obj.Name() | |
| destinationFilePointer := dest + "/" + obj.Name() | |
| if obj.IsDir() { | |
| err := copyPasteFolder(srcFilePointer, destinationFilePointer) | |
| returnError(err) | |
| } else { | |
| err := copyPasteFile(srcFilePointer, destinationFilePointer) | |
| returnError(err) | |
| } | |
| } | |
| return nil | |
| } | |
| func main() { | |
| if len(os.Args) == 3 { | |
| if os.Args[1] == "-f" { | |
| copyPasteFile(os.Args[2], "") | |
| } else if os.Args[1] == "-fd" { | |
| ex, err := os.Executable() | |
| returnError(err) | |
| currentPathDir := filepath.Dir(ex) | |
| folderPath := os.Args[2] | |
| symPos := strings.LastIndex(os.Args[2], "/") | |
| if symPos == -1 { | |
| symPos = strings.LastIndex(os.Args[2], "\\") | |
| } | |
| copyPasteFolder(folderPath, currentPathDir+folderPath[symPos:]) | |
| } else { | |
| fmt.Println("Use -f for copy file, or -fd for copy folder.\nFor example: ./custom-cli -f file.name") | |
| } | |
| } else { | |
| fmt.Println("Use 3 params. Second param must be: -f for copy file, or -fd for copy folder.\nFor example: ./custom-cli -f file.name") | |
| } | |
| } |
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