Hi, I'm learning the SD library of arduino in my textbook those days. The SD library provides many functions. For my question, I create a "test.txt" file in my SD card which containing some characters. The code:
f = SD.open("test.txt", FILE_WRITE);
f = SD.open("test.txt", FILE_READ);
while(f.peek() != -1)
So the test.txt file contains some characters:
I want to delete 'e' and 's' characters in the "test" word above, namely, converting "test" to "tt". How can I write the code? Please don't delete the "test.txt" file in the SD card.
Can anyone help me?