How can I modify a File

[toucht...@gmail.com]

Hey everybody !

I have a terrible problem. I'm using the fileSystem plugin to write on a file, i'm able to append text without any problem, but the problem is when I want to delete a certain part of the file, I din't find anything to help me with.

I'm using a local json file to save some articles, pictures,..(whatever you want). Every time the user clicks on the favourite button, i'm writing into the file this way :

var len = fileWriter.length;

if(len===0) {

    fileWriter.write('[{"id":"'+text+ '"}]');

}

else {

    fileWriter.seek(len-1);

    fileWriter.write(',{"id":"'+text+ '"}]');

}

But now, what i want to do is to be able to delete some id if the user doesn't want it anymore in his favourites.

Thank you for your help.

[toucht...@gmail.com]

up

[Ezo Saleh]

Hey,

Saving such settings into a file seems like a bad idea because its way easier to deal with JSON objects when they're in memory rather than in persisted form.

Perhaps, use Local Storage to save user data. If/When you need to sync that data externally you can dump it into a file then using JSON.stringify()?

On Wednesday, 16 April 2014 12:50:55 UTC+1, toucht...@gmail.com wrote:

up

[toucht...@gmail.com]

Thanks for your answer !

Well I'm actually using json object, i don't see the point. Since i'm also using angularJS, i'm just doing a $http.get() and i just need to work on it, seems pretty easy to deal with to me, no ?

Well, i'll take a look on the Local Storage, in the end I just need a json file^^