I use the commandline parser nuget.
var options = new Options();
bool isInputValid = CommandLine.Parser.Default.ParseArguments(args, options);
How do I get the parameters which are invalid?
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3Which version you of CommandLine parser nuget you're using?vendettamit– vendettamit2016-02-05 16:29:15 +00:00Commented Feb 5, 2016 at 16:29
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The latest! ......Elisabeth– Elisabeth2016-02-05 16:46:35 +00:00Commented Feb 5, 2016 at 16:46
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<package id="CommandLineParser" version="1.9.71" targetFramework="net45" />Elisabeth– Elisabeth2016-02-05 17:03:42 +00:00Commented Feb 5, 2016 at 17:03
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1 Answer
In 1.9.71 I dont' see any option where you can fetch the invalid tokens from arguments after parsing. But if you upgrade to -pre release version i.e.
<package id="CommandLineParser" version="2.0.275-beta" targetFramework="net45" />
This version gives flexibility to do more with parsed results. So you can easily find the invalid token like below:
var result = CommandLine.Parser.Default.ParseArguments<Options>(args);
result.MapResult(
options =>
{
// Do something with optios
return 0;
},
errors =>
{
var invalidTokens = errors.Where(x => x is TokenError).ToList();
if(invalidTokens != null)
{
invalidTokens.ForEach(token => Console.WriteLine(((TokenError)token).Token));
}
return 1;
});
1 Comment
Elisabeth
Before someone gets crazy about different version code, that works => foreach (var error in errors.OfType<NamedError>()) { Console.WriteLine("The parameter: '{0}' s not correct!", error.NameInfo); } return 1;