pub fn copy<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<u64>
Copies the contents of one file to another. This function will also copy the permission bits of the original file to the destination file.
This function will overwrite the contents of
Note that if
to both point to the same file, then the file
will likely get truncated by this operation.
On success, the total number of bytes copied is returned.
This function will return an error in the following situations, but is not limited to just these cases:
frompath is not a file
fromfile does not exist
- The current process does not have the permission rights to access
use std::fs; try!(fs::copy("foo.txt", "bar.txt"));