Function std::fs::rename 1.0.0[−][src]
pub fn rename<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<()>Expand description
Rename a file or directory to a new name, replacing the original file if
to already exists.
This will not work if the new name is on a different mount point.
Platform-specific behavior
This function currently corresponds to the rename function on Unix
and the MoveFileEx function with the MOVEFILE_REPLACE_EXISTING flag on Windows.
Because of this, the behavior when both from and to exist differs. On
Unix, if from is a directory, to must also be an (empty) directory. If
from is not a directory, to must also be not a directory. In contrast,
on Windows, from can be anything, but to must not be a directory.
Note that, this may change in the future.
Errors
This function will return an error in the following situations, but is not limited to just these cases:
fromdoes not exist.- The user lacks permissions to view contents.
fromandtoare on separate filesystems.
Examples
use std::fs;
fn main() -> std::io::Result<()> {
fs::rename("a.txt", "b.txt")?; // Rename a.txt to b.txt
Ok(())
}Run