侧边栏
en:arduino:libraries:sdexists
exists()
Description
Tests whether a file or directory exists on the SD card.
Syntax
SD.exists(filename)
Parameters
filename: the name of the file to test for existence, which can include directories (delimited by forward-slashes, /)
Returns
true if the file or directory exists, false if not
Reference Home
en/arduino/libraries/sdexists.txt · 最后更改: 2016/12/25 22:15 (外部编辑)
