Is it possible to accept custom command line parameters with Inno Setup

Question

I am preparing an installer with Inno Setup. But I\'d like to add an additional custom (none of the available parameters) command line parameters and would like to get the v

Answer 1

If you want to parse command line arguments from code in inno, then use a method similar to this. Just call the inno script from the command line as follows:

c:\MyInstallDirectory>MyInnoSetup.exe -myParam parameterValue

Then you can call the GetCommandLineParam like this wherever you need it:

myVariable := GetCommandLineParam('-myParam');

{ ================================================================== }
{ Allows for standard command line parsing assuming a key/value organization }
function GetCommandlineParam (inParam: String):String;
var
  LoopVar : Integer;
  BreakLoop : Boolean;
begin
  { Init the variable to known values }
  LoopVar :=0;
  Result := '';
  BreakLoop := False;

  { Loop through the passed in arry to find the parameter }
  while ( (LoopVar < ParamCount) and
          (not BreakLoop) ) do
  begin
    { Determine if the looked for parameter is the next value }
    if ( (ParamStr(LoopVar) = inParam) and
         ( (LoopVar+1) <= ParamCount )) then
    begin
      { Set the return result equal to the next command line parameter }
      Result := ParamStr(LoopVar+1);

      { Break the loop }
      BreakLoop := True;
    end;

    { Increment the loop variable }
    LoopVar := LoopVar + 1;
  end;
end;