Gio.File.replace_async

### Method

# Gio Filereplace_async

#### Declaration

    void
    g_file_replace_async (
      GFile* file,
      const char* etag,
      gboolean make_backup,
      GFileCreateFlags flags,
      int io_priority,
      GCancellable* cancellable,
      GAsyncReadyCallback callback,
      gpointer user_data
    )

#### Description

Asynchronously overwrites the file, replacing the contents, possibly creating a backup copy of the file first.

For more details, see `g_file_replace()` which is the synchronous version of this call.

When the operation is finished, `callback` will be called. You can then call `g_file_replace_finish()` to get the result of the operation.

#### Parameters

`etag`

  Type: `const char*`

  An entity tag for the current `GFile`, or `NULL` to ignore.

  The argument can be `NULL`.
  The data is owned by the caller of the method.
  The value is a NUL terminated UTF-8 string.

`make_backup`

  Type: `gboolean`

  `TRUE` if a backup should be created.

`flags`

  Type: `GFileCreateFlags`

  A set of `GFileCreateFlags`.

`io_priority`

  Type: `int`

  The [I/O priority][io-priority] of the request.

`cancellable`

  Type: `GCancellable`

  Optional `GCancellable` object, `NULL` to ignore.

  The argument can be `NULL`.
  The data is owned by the caller of the method.

`callback`

  Type: `GAsyncReadyCallback`

  A `GAsyncReadyCallback` to call when the request is satisfied.

  The argument can be `NULL`.

`user_data`

  Type: `gpointer`

  The data to pass to callback function.

  The argument can be `NULL`.
  The data is owned by the caller of the method.