gFileReplace: gFileReplace
In RGtk2: R Bindings for Gtk 2.8.0 and Above

Description Usage Arguments Details Value Author(s)

Returns an output stream for overwriting the file, possibly creating a backup copy of the file first. If the file doesn't exist, it will be created.

1 2	gFileReplace(object, etag, make.backup, flags = "G_FILE_CREATE_NONE", cancellable = NULL, .errwarn = TRUE)

`object`	input `GFile`.
`etag`	an optional entity tag for the current `GFile`, or `NULL` to ignore.
`make.backup`	`TRUE` if a backup should be created.
`flags`	a set of `GFileCreateFlags`.
`cancellable`	optional `GCancellable` object, `NULL` to ignore.
`.errwarn`	Whether to issue a warning on error or fail silently

This will try to replace the file in the safest way possible so that any errors during the writing will not affect an already existing copy of the file. For instance, for local files it may write to a temporary file and then atomically rename over the destination when the stream is closed.

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 G_IO_ERROR_CANCELLED will be returned.

If you pass in a non-NULL etag value, then this value is compared to the current entity tag of the file, and if they differ an G_IO_ERROR_WRONG_ETAG error is returned. This generally means that the file has been changed since you last read it. You can get the new etag from gFileOutputStreamGetEtag after you've finished writing and closed the GFileOutputStream. When you load a new file you can use gFileInputStreamQueryInfo to get the etag of the file.

If make.backup is TRUE, this function will attempt to make a backup of the current file before overwriting it. If this fails a G_IO_ERROR_CANT_CREATE_BACKUP error will be returned. If you want to replace anyway, try again with make.backup set to FALSE.

If the file is a directory the G_IO_ERROR_IS_DIRECTORY error will be returned, and if the file is some other form of non-regular file then a G_IO_ERROR_NOT_REGULAR_FILE error will be returned. Some file systems don't allow all file names, and may return an G_IO_ERROR_INVALID_FILENAME error, and if the name is to long G_IO_ERROR_FILENAME_TOO_LONG will be returned. Other errors are possible too, and depend on what kind of filesystem the file is on.

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