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* do all the things * define directory before if statements in main.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| package scnnr | ||
|
|
||
| import ( | ||
| "io/ioutil" | ||
| "os" | ||
| "runtime" | ||
| "strings" | ||
| "sync" | ||
| ) | ||
|
|
||
| // FileNameFinder struct contains needed data to perform concurrent operations | ||
| type FileNameFinder struct { | ||
| mutex sync.Mutex | ||
| Direction string | ||
| Files []string | ||
| Keywords []string | ||
| } | ||
|
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| // NewFileNameFinder creates a pointer to FileNameFinder with default values | ||
| func NewFileNameFinder(keywords []string) *FileNameFinder { | ||
| fnf := new(FileNameFinder) | ||
|
|
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| if runtime.GOOS == "windows" { | ||
| fnf.Direction = "\\" | ||
| } else { | ||
| fnf.Direction = "/" | ||
| } | ||
|
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| fnf.Keywords = keywords | ||
|
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| return fnf | ||
| } | ||
|
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| // Scan is a concurrent/parallel directory walker | ||
| func (f *FileNameFinder) Scan(directory string) { | ||
| _, err := ioutil.ReadDir(directory) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| f.findFiles(directory, "") | ||
| } | ||
|
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| func (f *FileNameFinder) findFiles(directory string, prefix string) { | ||
| paths, _ := ioutil.ReadDir(directory) | ||
|
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| var dirs []os.FileInfo | ||
| var files []os.FileInfo | ||
|
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| for _, path := range paths { | ||
| if path.IsDir() { | ||
| dirs = append(dirs, path) | ||
| } else { | ||
| files = append(files, path) | ||
| } | ||
| } | ||
|
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| for _, file := range files { | ||
| for _, keyword := range f.Keywords { | ||
| if strings.Contains(file.Name(), keyword) { | ||
| f.mutex.Lock() | ||
| f.Files = append(f.Files, directory+f.Direction+file.Name()) | ||
| f.mutex.Unlock() | ||
| } | ||
| } | ||
| } | ||
|
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| dirLen := len(dirs) | ||
| if dirLen > 0 { | ||
| var dirGroup sync.WaitGroup | ||
| dirGroup.Add(dirLen) | ||
|
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| for _, dir := range dirs { | ||
| go func(diR os.FileInfo, direcTory string, direcTion string) { | ||
| f.findFiles(direcTory+direcTion+diR.Name(), direcTory) | ||
| dirGroup.Done() | ||
| }(dir, directory, f.Direction) | ||
| } | ||
|
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||
| dirGroup.Wait() | ||
| } | ||
| } |
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