diff --git a/README.md b/README.md
index 872f829..df5367a 100644
--- a/README.md
+++ b/README.md
@@ -113,6 +113,16 @@ Once the first none-empty line is unrecognized (no command found), the parser wi
 :   Sets authentication for the HTTP proxy.
     Same syntax as `BasicAuth`.
 
+`Generate <variablename> <generator>`
+:   Sets a variable with a generated value.
+    Possible generators:
+    * `UUID`
+    * `unixtime` (a unix timestamp)
+    * `localtime` (a formatted time)
+    * `isodatetime` (Date and Time according to ISO8601)
+    * `isodate` (Date according to ISO8601)
+    * `isotime` (Time according to ISO8601)
+
 `Call <URL>`
 :   This prepares the actual call by providing the URL to be called.
     Variables in the form of `@<variablename>` are replaced accordingly.
diff --git a/URestemplateApp.pas b/URestemplateApp.pas
index 01556ab..966269a 100644
--- a/URestemplateApp.pas
+++ b/URestemplateApp.pas
@@ -69,6 +69,7 @@ type
     procedure CmdFormField(AData: String);
     procedure CmdProxy(AData: String);
     procedure CmdProxyAuth(AData: String);
+    procedure CmdGenerate(AData: String);
     procedure ProcessCall(AURL: String);
     //Helper
     procedure WriteHelp;
@@ -83,7 +84,7 @@ implementation
 
 uses
   strutils, crt, UCRTHelper, fpjson, DOM, XMLRead, XMLWrite, vinfo,
-  IdCompressorZLib, IdHeaderList, IdGlobalProtocols;
+  IdCompressorZLib, IdHeaderList, IdGlobalProtocols, xmlxsdparser;
 
 type
   TContentType = (ctOther, ctJSON, ctXML);
@@ -165,8 +166,8 @@ begin
 
   if FileExists(ParamStr(ParamCount)) then
   begin
-    AssignFile(data, ParamStr(1));
-    FTemplateName := ExtractFileName(ParamStr(1));
+    AssignFile(data, ParamStr(ParamCount));
+    FTemplateName := ExtractFileName(ParamStr(ParamCount));
     if AnsiEndsStr('.rest', FTemplateName) then
       FTemplateName := Copy(FTemplateName, 1, Length(FTemplateName) - 5);
   end else
@@ -267,6 +268,11 @@ begin
     Result := True;
     CmdProxy(Copy(ALine, 10, Length(ALine)));
   end else
+  if AnsiStartsStr('Generate ', ALine) then
+  begin
+    Result := True;
+    CmdGenerate(Copy(ALine, 10, Length(ALine)));
+  end else
   if AnsiStartsStr('Call ', ALine) then
   begin
     Result := True;
@@ -379,6 +385,35 @@ begin
   FHttp.ProxyParams.ProxyPassword := Copy(AData, i + 1, Length(AData));
 end;
 
+procedure TRestemplateApplication.CmdGenerate(AData: String);
+var
+  i: Integer;
+  varName, generator: String;
+  guid: TGuid;
+begin
+  i := 1;
+  while (i < Length(AData)) and (AData[i] <> ' ') do
+    Inc(i);
+
+  varName := Copy(AData, 1, i - 1);
+  generator := LowerCase(Copy(AData, i + 1, Length(AData)));
+
+  case generator of
+    'uuid':
+      begin
+        CreateGUID(guid);
+        FParser.Fields.Add(varName, Copy(GUIDToString(guid), 2, 36));
+      end;
+    'unixtime': FParser.Fields.Add(varName, IntToStr(DateTimeToUnix(Now)));
+    'localtime': FParser.Fields.Add(varName, DateTimeToStr(Now));
+    'isodatetime': FParser.Fields.Add(varName, xsdFormatDateTime(Now, nil));
+    'isodate': FParser.Fields.Add(varName, xsdFormatDate(Now));
+    'isotime': FParser.Fields.Add(varName, xsdFormatTime(Now));
+  else
+    raise Exception.Create('Unknown generator: ' + generator);
+  end;
+end;
+
 procedure TRestemplateApplication.ProcessCall(AURL: String);
 var
   s: String;
@@ -387,8 +422,6 @@ var
   jsonData: TJSONData;
   contentType: TContentType;
   xmlDoc: TXMLDocument;
-  //
-  i: Integer;
 begin
   FParser.Content := AURL;
   FParser.Replace;
@@ -409,6 +442,15 @@ begin
     FContent.SaveToStream(request);
   end;
 
+  if HasOption('showrequest') then
+  begin
+    //TODO Handle URL-Encoded FormFields here!
+    writeln;
+    writeln('Request:');
+    for s in FContent do
+      writeln('  ', s);
+  end;
+
   try
     FRequest.Prepare;
     FHttp.Request := FRequest;