Merge pull request #48 from dart-lang/kw-cmdline

Update cmdline examples to 2.1

cmdline/.gitignore

@@ -0,0 +1,11 @@
+# Files and directories created by pub
+.dart_tool/
+.packages
+# Remove the following pattern if you wish to check in your lock file
+pubspec.lock
+
+# Conventional directory for build outputs
+build/
+
+# Directory created by dartdoc
+doc/api/

cmdline/analysis_options.yaml

@@ -0,0 +1,14 @@
+# Defines a default set of lint rules enforced for
+# projects at Google. For details and rationale,
+# see https://github.com/dart-lang/pedantic#enabled-lints.
+include: package:pedantic/analysis_options.yaml
+
+# For lint rules and documentation, see http://dart-lang.github.io/linter/lints.
+# Uncomment to specify additional rules.
+# linter:
+#   rules:
+#     - camel_case_types
+
+analyzer:
+#   exclude:
+#     - path/to/excluded/files/**

cmdline/bin/dcat.dart

@@ -6,7 +6,6 @@ library dcat;
 
 import 'dart:convert';
 import 'dart:io';
-import 'dart:async';
 
 import 'package:args/args.dart';
 
@@ -38,7 +37,7 @@ void main(List<String> arguments) {
 Future dcat(List<String> paths, bool showLineNumbers) async {
   if (paths.isEmpty) {
     // No files provided as arguments. Read from stdin and print each line.
-    stdin.pipe(stdout);
+    await stdin.pipe(stdout);
   } else {
     for (var path in paths) {
       int lineNumber = 1;
@@ -54,7 +53,7 @@ Future dcat(List<String> paths, bool showLineNumbers) async {
           stdout.writeln(line);
         }
       } catch (_) {
-        _handleError(path);
+        await _handleError(path);
       }
     }
   }

cmdline/bin/dgrep.dart

@@ -6,7 +6,6 @@ library dgrep;
 
 import 'dart:io';
 import 'package:args/args.dart';
-import 'dart:async';
 
 const usage = 'usage: dart dgrep.dart [-rnS] patterns file_or_directory';
 const recursive = 'recursive';
@@ -62,9 +61,9 @@ Future main(List<String> arguments) async {
         recursive: argResults[recursive],
         followLinks: argResults[followLinks])) {
       if (entity is File) {
-        searchFile(entity, searchTerms);
+        await searchFile(entity, searchTerms);
       } else {
-        searchFile(new File(searchPath), searchTerms);
+        await searchFile(new File(searchPath), searchTerms);
       }
     }
   }

cmdline/bin/helloworld42.dart

@@ -1,4 +1,4 @@
 void main() {
-  int fortyTwo = 'Hello, World'; // Type mismatch
-  print(fortyTwo);
+//  int fortyTwo = 'Hello, World'; // Type mismatch
+//  print(fortyTwo);
 }