How to check if a json file is not in the project folder

[Sawer]

Hello everyone.
What's the function that checks if a file is stored or not in the project folder?
EG:

if("/..fileImLooking.js" == isNotThere)
{
    Do something
}

Any help is appreciated

[d.healey]

@Sawer

There is no such function. You can use the file api to look for files though, if you're interested in a JSON file in the User Presets folder you can use Engine.loadFromJSON

[Sawer]

@d-healey Ok ,thanks

[Sawer]

@d-healey But why when I remove the Json file from my folder, the onInit callback console doesn't give me error stating that there's no variable or Json file? Cause I have a statement that works on a value placed in a Json data. When I throw the Json file to the trash, the function still works on that value.

[d.healey]

Can you show me a code example?

[Sawer]

@d-healey

inline function checkOnLoad()
{
	local pData = Engine.loadFromJSON("../endTrial.js");
        
        local v = pData.enddate;
        
        if (todaystime > v )
        {
		  include("Serials.js");
		  include("Authorisation.js");
          ScriptLabel3.showControl(false);
		  AuthorisationDialogue.showControl(1);
		  GlobalMute.setAttribute(GlobalMute.ignoreButton, 1);

         }
        
        else if (todaystime < v)
        {
           Console.print("trial still working"); 
           ScriptLabel3.setValue("10 Day Trial Running");
           AuthorisationDialogue.showControl(0);
           Label1.showControl(0);
           Startbtn.showControl(0);
           GlobalMute.setAttribute(GlobalMute.ignoreButton, 0);
        }
        
        ScriptLabel3.changed();
        
        
    
}

    checkOnLoad();

My concern is that the " local v = pData.enddate;" still works even when it's not there (Json File throwed away) That's why I was looking for a function to check if the Json is in the project folder so the whole function resets. The purpose behind my question is that I want to create a set of function that :

1. On a button callback, dumpsAsJson(myData,"/..myFile)
2. If myVar is > or < than myData = Do something
3. If Json file is not there = reset UI to state 1

[d.healey]

@Sawer

You're including files within a function, does that work?

How are you checking if the data is being loaded from the file?

How are you getting todaystime?

To check the existence of a file you should use the file and filesystem APIs.

[Sawer]

@d-healey Everything works perfectly.
I just need a function that checks if a file is there or not So that the UI (label1 and Startbtn) is or is not visible based on my statements.
The snippet has other files outside, so you could probably get a lot of errors. Let me try and send it then..

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[d.healey]

@Sawer Use the file api. You should answer the questions I asked and I might be able to help you more.

[Lindon]

@Sawer

Have you tried:

local pData = Engine.loadFromJSON("../endTrial.js");
if (pData)
{
    Console.print("file loaded...");
}else{
    Console.print("file NOT THERE.....");
}

[Sawer]

@Lindon Not yet, trying it now. Thanks so much.

[Sawer]

@d-healey
I've tried with the api, but maybe I haven't found precisely what I was looking for. Anyway I've attached the snippet, this will answer all the question. Thanks

[Sawer]

@d-healey , @Lindon Working super, thanks so much for the help!