Gio.File.prototype.create_readwrite

function create_readwrite(flags: Gio.FileCreateFlags, cancellable: Gio.Cancellable): Gio.FileIOStream {
    // Gjs wrapper for g_file_create_readwrite()
}
  

Creates a new file and returns a stream for reading and writing to it. The file must not already exist.

By default files created are generally readable by everyone, but if you pass #G_FILE_CREATE_PRIVATE in flags the file will be made readable only to the current user, to the level that is supported on the target filesystem.

If cancellable is not null, then the operation can be cancelled by triggering the cancellable object from another thread. If the operation was cancelled, the error Gio.IOErrorEnum.cancelled will be returned.

If a file or directory with this name already exists, the Gio.IOErrorEnum.exists error will be returned. Some file systems don't allow all file names, and may return an Gio.IOErrorEnum.invalid_filename error, and if the name is too long, Gio.IOErrorEnum.filename_too_long will be returned. Other errors are possible too, and depend on what kind of filesystem the file is on.

Note that in many non-local file cases read and write streams are not supported, so make sure you really need to do read and write streaming, rather than just opening for reading or writing.

Since 2.22

flags

a set of Gio.FileCreateFlags

cancellable

optional Gio.Cancellable object, null to ignore

Returns

a Gio.FileIOStream for the newly created file, or null on error. Free the returned object with GObject.Object.prototype.unref.