Reading text file and adding to start

var file = File(myFilePath);
file.open("a", "TEXT");
//alert("file opened! it is: \n" + file);


while (!file.eof){ // Loop doesn't trigger here
    var line = file.readln();
    alert("line is:\n" + line);
}


file.close();

CheminMonFichier is a string that contains a file path in a text file on my drive.

Two issues here:
(1) why not the time loop trigger? Is expressions of the folklore of the position by default when you open a file for addition? ("a")
(2) how to open a file for add-to-start (' a + ')

The case is the following:
I have a file already existing with some properties of the object. I want to open this file and add additional properties to top/beginning of it.

This script alert help?

What new eyes can do, but mine was 75 years old and new new goal is good.

Tags: Photoshop

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