Vala: rm_rf example added.

vala/rm_rf/rm_rf.vala

@@ -0,0 +1,27 @@
+void rm_rf (File directory) throws Error {
+	var children = directory.enumerate_children ("standard::*",
+	        FileQueryInfoFlags.NOFOLLOW_SYMLINKS, null);
+	FileInfo fileinfo = null;
+	while ((fileinfo = children.next_file (null)) != null ) {
+		File child = directory.resolve_relative_path (fileinfo.get_name ());
+		if (fileinfo.get_file_type () == FileType.DIRECTORY) {
+			rm_rf (child);
+		} else {
+			print (@"rm $(child.get_path())\n");
+			child.delete();
+		}
+	}
+	print (@"rmdir $(directory.get_path())\n");
+	directory.delete();
+}
+
+int main () {
+	try {
+		rm_rf (File.new_for_path("/tmp/aaa"));
+	} catch (Error e) {
+		stderr.puts ("Error: $(e.message)\n");
+		return -1;
+	}
+
+	return 0;
+}

vala/rm_rf/rm_rf_async.vala

@@ -0,0 +1,43 @@
+async void rm_rf_async (File directory, Cancellable? cancellable) throws Error {
+	if (cancellable.is_cancelled()) return;
+	var children = yield directory.enumerate_children_async (FileAttribute.STANDARD_NAME,
+	        FileQueryInfoFlags.NOFOLLOW_SYMLINKS,
+	        Priority.DEFAULT, cancellable);
+	GLib.List<FileInfo> fileinfos;
+	while ((fileinfos = yield children.next_files_async (8, Priority.DEFAULT,
+	                                                     cancellable)) != null) {
+		foreach (var child_finfo in fileinfos) {
+			var child = directory.get_child (child_finfo.get_name());
+			var ftype = child.query_file_type (FileQueryInfoFlags.NOFOLLOW_SYMLINKS);
+			if (ftype == FileType.DIRECTORY) {
+				yield rm_rf_async (child, cancellable);
+			} else {
+				print (@"rm $(child.get_path())\n");
+				child.delete (cancellable);
+			}
+		}
+	}
+	print (@"rmdir $(directory.get_path())\n");
+	directory.delete (cancellable);
+}
+
+int main () {
+	//string temp_dir = DirUtils.make_tmp ("my-XXXXXX-dir");
+	//stdout.printf ("make_tmp (\"my-XXXXXXX-dir\") = %s\n", temp_dir);
+
+	// async example
+	var loop = new MainLoop();
+	rm_rf_async.begin(File.new_for_path("/tmp/aaa"), null,
+	            (obj, res) => {
+					try {
+	            		rm_rf_async.end(res);
+	            		loop.quit();
+					} catch (Error e) {
+						stderr.printf ("Error: %s\n", e.message);
+						//return -1;
+					}
+	            });
+	loop.run();
+
+	return 0;
+}

vala/rm_rf/run.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+mkdir -p /tmp/aaa/bbb && touch /tmp/aaa/ccc.txt /tmp/aaa/bbb/ddd.txt
+valac --pkg=gio-2.0 --Xcc='-w' rm_rf.vala && ./rm_rf && ls -l /tmp

vala/rm_rf/run_async.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+mkdir -p /tmp/aaa/bbb && touch /tmp/aaa/ccc.txt /tmp/aaa/bbb/ddd.txt
+valac --pkg=gio-2.0 --Xcc='-w' rm_rf_async.vala && ./rm_rf_async && ls -l /tmp