Create jazip

.gitignore

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+# Files and directories created by pub
+.dart_tool/
+.packages
+
+# Conventional directory for build outputs
+build/
+
+# Directory created by dartdoc
+doc/api/
+
+.DS_Store

Makefile

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+VERSION=0.1.0
+
+default:
+ cat ./Makefile
+
+.PHONY: build
+build:
+ mkdir -p build/jazip-${VERSION}
+ dart2native bin/main.dart -o build/jazip-${VERSION}/jazip
+ tar -zcvf build/jazip-${VERSION}.tar.gz build/jazip-${VERSION}

README.md

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+# JaZip
+郵便番号から住所を検索するCLIツール。
+
+``` sh
+$ jazip 2790031
+千葉県,浦安市,舞浜
+```
+
+### Created by stagehand
+Created from templates made available by Stagehand under a BSD-style
+[license](https://github.com/dart-lang/stagehand/blob/master/LICENSE).

analysis_options.yaml

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+# 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/**

bin/main.dart

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+// import 'package:jazip/jazip.dart' as jazip;
+import 'dart:io';
+import 'dart:async';
+import 'dart:convert';
+import 'package:path/path.dart' as path;
+import 'package:args/args.dart';
+
+final argParser = ArgParser();
+final CSV_DATA_FILE_NAME = 'KEN_ALL_ROME.CSV';
+
+void main(List<String> arguments) {
+ final argResults = argParser.parse(arguments);
+ if (argResults.rest.isEmpty) {
+ exit(1);
+ }
+
+ final postcode = argResults.rest.first;
+ getAddressCSVFile().then((csvFile) => runCommand(csvFile, postcode));
+}
+
+void runCommand(File csvFile, String postcode) {
+ Stream fileReader = csvFile.openRead();
+ fileReader
+ .transform(utf8.decoder)
+ .transform(LineSplitter())
+ .listen(
+ (String line) {
+ var values = line.split(',');
+ if (values.first.contains(postcode)) {
+ var output = '${values[1]},${values[2]},${values[3]}'.replaceAll('"', '').replaceAll('　', '');
+ stdout.writeln(output);
+ exit(0);
+ }
+ },
+ onDone: () => exit(1)
+ );
+}
+
+String getHomePath() {
+ String home;
+ final envVars = Platform.environment;
+ if (Platform.isMacOS) {
+ home = envVars['HOME'];
+ } else if (Platform.isLinux) {
+ home = envVars['HOME'];
+ } else if (Platform.isWindows) {
+ home = envVars['UserProfile'];
+ }
+
+ return home;
+}
+
+Directory configureCacheDirectory() {
+ final cacheDir = Directory(path.fromUri('${getHomePath()}/.jazip'));
+ if (!cacheDir.existsSync()) {
+ cacheDir.createSync();
+ }
+ return cacheDir;
+}
+
+Future<File> getAddressCSVFile() async {
+ final cacheDir = configureCacheDirectory();
+ final csvPath = path.join(cacheDir.path, CSV_DATA_FILE_NAME);
+ final csvFile = File(csvPath);
+ if (!csvFile.existsSync()) {
+ return fetchAddressData(csvFile);
+ }
+
+ var completer = Completer<File>();
+ completer.complete(csvFile);
+ return completer.future;
+}
+
+Future<File> fetchAddressData(File file) async {
+ final url = 'https://raw.githubusercontent.com/kra8/jazip/master/data/${CSV_DATA_FILE_NAME}';
+ var httpClient = HttpClient();
+ var request = await httpClient.getUrl(Uri.parse(url));
+ var response = await request.close();
+ await response.pipe(file.openWrite());
+ return file;
+}

lib/jazip.dart

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+int calculate() {
+ return 6 * 7;
+}