question of method for update my app

[Tiemo Hollmann TB]

Hello,

I want to create an automatic update function for my app, calling from the
splash stack. After having checked the internet connection and gathered all
path informations etc., what is the best method for the file transfer?

1. Is it appropriate to use just a "put URL... into URL." or should I use a
load URL + put into URL for better control?

2. I didn't find a command to read the file size. I would like to read the
total of all file sizes to display a progress bar

3. What is the appropriate approach to verify, that the download and
replacement of all files was successful? Perhaps a file could be
accidentially in use and could not be replaced, or the file transfer didn't
transferred the total bytes and the old file is being replaced by a
corrupted file?

Thanks for any tutorial and experiences

Tiemo