datasource.fileSize

Retrieves the size of a specified file from the MODLR filesystem.

js

datasource.fileSize(file_name)

Parameters

file_name (string): The name of the file for which you want to retrieve the size.

Returns

number: An integer representing the size of the file in bytes. Returns 0 if the file is invalid, does not exist, or an error occurs.

Examples

js

var fileSizeInBytes = datasource.fileSize("my_file.txt");
if (fileSizeInBytes > 0) {
    console.log("File size:", fileSizeInBytes, "bytes");
} else {
    console.log("Error retrieving file size or invalid file.");
}