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Add fs::copy and fs::rename #574

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merged 1 commit into from Mar 22, 2016
Merged

Add fs::copy and fs::rename #574

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13 changes: 12 additions & 1 deletion libstd/src/fs.rs
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@@ -1,6 +1,6 @@
use core::ops::Deref;
use core_collections::borrow::ToOwned;
use io::{Read, Error, Result, Write, Seek, SeekFrom};
use io::{self, Read, Error, Result, Write, Seek, SeekFrom};
use os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
use mem;
use path::{PathBuf, Path};
Expand Down Expand Up @@ -343,6 +343,17 @@ pub fn create_dir<P: AsRef<Path>>(path: P) -> Result<()> {
}
}

pub fn copy<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<u64> {
let mut infile = try!(File::open(from));
let mut outfile = try!(File::create(to));
io::copy(&mut infile, &mut outfile)
}

pub fn rename<P: AsRef<Path>, Q: AsRef<Path>>(from: P, to: Q) -> Result<()> {
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This is not how rename should work.

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True, we need a sys_rename, but it is ok for now

try!(copy(Path::new(from.as_ref()), to));
remove_file(from)
}

pub fn read_dir<P: AsRef<Path>>(path: P) -> Result<ReadDir> {
File::open(path).map(|file| ReadDir { file: file })
}
Expand Down