The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License.

Find anything that can be improved? Suggest corrections and new documentation via GitHub.

Doubts on how to use Github? Learn everything you need to know in this tutorial.

Reference > Libraries > Sd > Exists

SD - exists()

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

1 if the file or directory exists, 0 if not.

See also