Initial commit

ExtractFingerprintCommand.cs

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+using Microsoft.Extensions.CommandLineUtils;
+using System;
+
+namespace StegoPrint {
+    public class ExtractFingerprintCommand : CommandLineApplication {
+        CommandOption _keyfile;
+        CommandOption _input;
+        public ExtractFingerprintCommand() {
+            Name = "extract";
+            Description = "Extracts a fingerprint from a file";
+
+            _keyfile = Option("-$|-k |--keyfile <keyfile>", "The keyfile for the fingerprint", CommandOptionType.SingleValue);
+            _input = Option("-$|-i |--input <input>", "The input audio file to process", CommandOptionType.SingleValue);
+
+            HelpOption("-h | -? | --help");
+            OnExecute((Func<int>)RunCommand);
+        }
+
+        private int RunCommand() {
+            new Fingerprinter().ExtractMessage(_keyfile.Value(), _input.Value());
+            return -1;
+        }
+    }
+}