Open

 my $vsifile = Geo::GDAL::FFI::VSI::File->Open($name, $access);

Open a virtual file. $name is the name of the file to open. $access is 'r', 'r+', 'a', or 'w'. 'r' is the default.

Returns a Geo::GDAL::FFI::VSI::File object.

Close

Closes the file handle. Is done automatically when the object is destroyed.

Read($len)

Read $len bytes from the file. Returns the bytes in a Perl string. $len is optional and by default 1.

Write($buf)

Write the Perl string $buf into the file. Returns the number of successfully written bytes.