Walk a directory/Recursively: Difference between revisions

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@@ Line 827: / Line 827: @@
 )
+func VisitFile(fp string, fi *os.FileInfo, err os.Error) os.Error {
-type MyVisitor struct{} // a type to satisfy filepath.Visitor interface
+    if err != nil {
+        fmt.Println(err) // can't walk here,
-func (MyVisitor) VisitDir(string, *os.FileInfo) bool {
+        return nil       // but continue walking elsewhere
-    return true
+    }
-}
+    if !fi.IsRegular() {
+        return nil       // not a file.  ignore.
-func (MyVisitor) VisitFile(fp string, _ *os.FileInfo) {
+    }
-    if filepath.Ext(fp) == ".mp3" {
+    matched, err := filepath.Match("*.mp3", fi.Name)
+    if err != nil {
+        fmt.Println(err) // malformed pattern
+        return err       // this is fatal.
+    }
+    if matched {
         fmt.Println(fp)
     }
+    return nil
 }
 func main() {
-    filepath.Walk("/", MyVisitor{}, nil)
+    filepath.Walk("/", VisitFile)
 }</lang>