hatter/prettyjson.dart
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update help

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Hatter Jiang
2019-11-21 00:27:21 +08:00
parent d013eda45c
commit 70d1dea148
1 changed files with 10 additions and 1 deletions
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prettyjson.dart
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@@ -5,7 +5,7 @@ import 'package:args/args.dart';
main(List<String> args) async { main(List<String> args) async {
final parseResult = parseArgs(args); final parseResult = parseArgs(args);
if (parseResult['help']) { if (parseResult['help']) {
print('Print help message for prettyjson.dart'); printHelp();
return; return;
} }
final restArgs = parseResult.rest; final restArgs = parseResult.rest;
@@ -39,3 +39,12 @@ Future<String> readFromStdin() async {
} }
return Future<String>.value(stdinContentArray.join('\n')); return Future<String>.value(stdinContentArray.join('\n'));
} }
printHelp() {
print('pretty.dart - version 0.1');
print('Usage:');
print(' prettyjson.dart [OPTIONS] [FILE NAME]');
print('');
print('Optional arguments:');
print(' -h,--help Show this help message and exit');
}