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Undocumented function fileSize() on SPIFFS #4916

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@jindrichsirucek

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@jindrichsirucek

Hello, Im not sure where to put info about documentation Issue so if this is not the right palce, pls point me to better one...

In here in documentation:
http://esp8266.github.io/Arduino/versions/2.0.0/doc/filesystem.html#directory-object-dir

is missing documentation of direct function fileSize() on object Directory

Directory object (Dir)
The purpose of Dir object is to iterate over files inside a directory. It provides three methods: next(), fileName(), and openFile(mode).

Also Directory example should be changed to this:

Dir dir = SPIFFS.openDir("/data");
while (dir.next()) {
    Serial.print(dir.fileName());
    Serial.println(dir.fileSize());
}

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