help download a file from SDcard (not read from it)

hi every body
please,i need to know how to do for downloading files from sd card (using ethernet shield)- not to read form files -??
thank you very much

please,i need to know how to do for downloading files from sd card (using ethernet shield)-not to read form files -??

You can’t do that without reading the file. As you read the file, collect data in an array. When the array is full, or the end of the file is reached, use client.write() to send the data to the client.

thank you very very much for your reply