Trait MetadataExt
trait MetadataExt
OS-specific extensions to fs::Metadata.
Required Methods
fn as_raw_stat(self: &Self) -> &raw::statGain a reference to the underlying
statstructure which contains the raw information returned by the OS.The contents of the returned
statare not consistent across Unix platforms. Theos::unix::fs::MetadataExttrait contains the cross-Unix abstractions contained within the raw stat.Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; let stat = meta.as_raw_stat(); Ok(()) }fn st_dev(self: &Self) -> u64Returns the device ID on which this file resides.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_dev()); Ok(()) }fn st_ino(self: &Self) -> u64Returns the inode number.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_ino()); Ok(()) }fn st_mode(self: &Self) -> u32Returns the file type and mode.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_mode()); Ok(()) }fn st_nlink(self: &Self) -> u64Returns the number of hard links to file.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_nlink()); Ok(()) }fn st_uid(self: &Self) -> u32Returns the user ID of the file owner.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_uid()); Ok(()) }fn st_gid(self: &Self) -> u32Returns the group ID of the file owner.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_gid()); Ok(()) }fn st_rdev(self: &Self) -> u64Returns the device ID that this file represents. Only relevant for special file.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_rdev()); Ok(()) }fn st_size(self: &Self) -> u64Returns the size of the file (if it is a regular file or a symbolic link) in bytes.
The size of a symbolic link is the length of the pathname it contains, without a terminating null byte.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_size()); Ok(()) }fn st_atime(self: &Self) -> i64Returns the last access time of the file, in seconds since Unix Epoch.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_atime()); Ok(()) }fn st_atime_nsec(self: &Self) -> i64Returns the last access time of the file, in nanoseconds since
st_atime.Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_atime_nsec()); Ok(()) }fn st_mtime(self: &Self) -> i64Returns the last modification time of the file, in seconds since Unix Epoch.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_mtime()); Ok(()) }fn st_mtime_nsec(self: &Self) -> i64Returns the last modification time of the file, in nanoseconds since
st_mtime.Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_mtime_nsec()); Ok(()) }fn st_ctime(self: &Self) -> i64Returns the last status change time of the file, in seconds since Unix Epoch.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_ctime()); Ok(()) }fn st_ctime_nsec(self: &Self) -> i64Returns the last status change time of the file, in nanoseconds since
st_ctime.Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_ctime_nsec()); Ok(()) }fn st_blksize(self: &Self) -> u64Returns the "preferred" block size for efficient filesystem I/O.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_blksize()); Ok(()) }fn st_blocks(self: &Self) -> u64Returns the number of blocks allocated to the file, 512-byte units.
Examples
use std::fs; use std::io; use std::os::linux::fs::MetadataExt; fn main() -> io::Result<()> { let meta = fs::metadata("some_file")?; println!("{}", meta.st_blocks()); Ok(()) }
Implementors
impl MetadataExt for crate::fs::Metadata