Walk a directory/Recursively: Difference between revisions

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     walkDir(".", ".sd7");
   end func;</lang>
+=={{header|Sidef}}==
+<lang ruby>func traverse(callback is Block, dir is Dir) {
+    dir.open(\var dir_h) || return;
+    dir_h.entries.each { |entry|
+        if (entry.is_a(Dir)) {
+            traverse(callback, entry);
+        };
+        callback(entry);
+    }
+}
+var dir = Dir.cwd;
+var pattern = /\.mp3\z/;
+traverse(
+    { |file|
+        if (file ~~ pattern) {
+            say file;
+        }
+    } => dir
+);</lang>
 =={{header|Smalltalk}}==