Created
April 2, 2017 10:30
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| package main | |
| import ( | |
| "fmt" | |
| "io/ioutil" | |
| "path" | |
| ) | |
| func scanFile(targets *chan string, results *chan string) { | |
| for target := range *targets { | |
| fmt.Printf("file: %s\n", target) | |
| *results <- target | |
| } | |
| close(*results) | |
| } | |
| func scanDir(dirname string, targets *chan string) { | |
| fmt.Printf("dir: %s\n", dirname) | |
| files, _ := ioutil.ReadDir(dirname) | |
| for _, elem := range files { | |
| elemPath := path.Join(dirname, elem.Name()) | |
| if elem.IsDir() { | |
| scanDir(elemPath, targets) | |
| } else { | |
| *targets <- elemPath | |
| } | |
| } | |
| } | |
| func main() { | |
| targets := make(chan string) | |
| results := make(chan string) | |
| go scanFile(&targets, &results) | |
| scanDir("/home/mattoufoutu", &targets) | |
| close(targets) | |
| for result := range results { | |
| fmt.Println(result) | |
| } | |
| } |
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| $ ./golearn | |
| dir: /home/mattoufoutu | |
| dir: /home/mattoufoutu/.AndroidStudio | |
| dir: /home/mattoufoutu/.AndroidStudio/config | |
| dir: /home/mattoufoutu/.AndroidStudio/config/codestyles | |
| dir: /home/mattoufoutu/.AndroidStudio/config/colors | |
| dir: /home/mattoufoutu/.AndroidStudio/config/filetypes | |
| dir: /home/mattoufoutu/.AndroidStudio/config/inspection | |
| dir: /home/mattoufoutu/.AndroidStudio/config/keymaps | |
| dir: /home/mattoufoutu/.AndroidStudio/config/options | |
| file: /home/mattoufoutu/.AndroidStudio/config/options/abbreviations.xml | |
| fatal error: all goroutines are asleep - deadlock! | |
| goroutine 1 [chan send]: | |
| main.scanDir(0xc4200b6b10, 0x2f, 0xc42000c028) | |
| /home/mattoufoutu/go/src/golearn/golearn.go:25 +0x2a4 | |
| main.scanDir(0xc4200b66c0, 0x27, 0xc42000c028) | |
| /home/mattoufoutu/go/src/golearn/golearn.go:23 +0x229 | |
| main.scanDir(0xc4200b8aa0, 0x20, 0xc42000c028) | |
| /home/mattoufoutu/go/src/golearn/golearn.go:23 +0x229 | |
| main.scanDir(0x4c3dbd, 0x11, 0xc42000c028) | |
| /home/mattoufoutu/go/src/golearn/golearn.go:23 +0x229 | |
| main.main() | |
| /home/mattoufoutu/go/src/golearn/golearn.go:34 +0x10a | |
| goroutine 5 [chan send]: | |
| main.scanFile(0xc42000c028, 0xc42000c030) | |
| /home/mattoufoutu/go/src/golearn/golearn.go:12 +0x172 | |
| created by main.main | |
| /home/mattoufoutu/go/src/golearn/golearn.go:33 +0xe7 |
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