Documentation update

sdk/lib/io/process.dart

Index: sdk/lib/io/process.dart
diff --git a/sdk/lib/io/process.dart b/sdk/lib/io/process.dart
index 5ca1597656995076dedcdf240ea722906b657edf..e5c758e4de0803c9586e12ab27f65d38a7be2097 100644
--- a/sdk/lib/io/process.dart
+++ b/sdk/lib/io/process.dart
@@ -95,6 +95,14 @@ abstract class Process {
    * streams of processes started with [:Process.start:]. If the user
    * does not read all data on the streams the underlying system
    * resources will not be freed since there is still pending data.
+   *
+   * The following code uses `Process.start` to grep for `main` in the
+   * file `test.dart` on Linux.
+   *
+   *     Process.start('grep', ['-i', 'main', 'test.dart']).then((p) {
+   *       p.stdout.pipe(stdout);

[Anders Johnsen, 2013/11/20 12:24:04]

Please use `stdout.addStream(p.stdout)` and likewise for stderr.

[Søren Gjesse, 2014/01/02 09:19:30]

Done.

+   *       p.stderr.pipe(stderr);
+   *     });
    */
   external static Future<Process> start(
       String executable,
@@ -136,6 +144,14 @@ abstract class Process {
    * Returns a `Future<ProcessResult>` that completes with the
    * result of running the process, i.e., exit code, standard out and
    * standard in.
+   *
+   * The following code uses `Process.run` to grep for `main` in the
+   * file `test.dart` on Linux.
+   *
+   *     Process.run('grep', ['-i', 'main', 'test.dart']).then((result) {
+   *       stdout.write(result.stdout);
+   *       stdout.write(result.stderr);

[Anders Johnsen, 2013/11/20 12:24:04]

stderr.write

[Søren Gjesse, 2014/01/02 09:19:30]

Done.

+   *     });
    */
   external static Future<ProcessResult> run(
       String executable,