-
Notifications
You must be signed in to change notification settings - Fork 2
/
file.go
126 lines (109 loc) · 4.51 KB
/
file.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
package fs
import (
"os"
"path/filepath"
"time"
)
// Mkdir creates a new directory with the specified name and permission bits.
// If there is an error, it will be of type *PathError.
func Mkdir(name string, perm os.FileMode) error {
return os.Mkdir(fixpath(name), perm)
}
// MkdirAll creates a directory named path, along with any necessary parents,
// and returns nil, or else returns an error. The permission bits perm are used
// for all directories that MkdirAll creates. If path is already a directory,
// MkdirAll does nothing and returns nil.
func MkdirAll(path string, perm os.FileMode) error {
return os.MkdirAll(fixpath(path), perm)
}
// Readlink returns the destination of the named symbolic link.
// If there is an error, it will be of type *PathError.
func Readlink(name string) (string, error) {
return os.Readlink(fixpath(name))
}
// Remove removes the named file or directory.
// If there is an error, it will be of type *PathError.
func Remove(name string) error {
return os.Remove(fixpath(name))
}
// RemoveAll removes path and any children it contains.
// It removes everything it can but returns the first error
// it encounters. If the path does not exist, RemoveAll
// returns nil (no error).
func RemoveAll(path string) error {
return os.RemoveAll(fixpath(path))
}
// Rename renames (moves) oldpath to newpath.
// If newpath already exists, Rename replaces it.
// OS-specific restrictions may apply when oldpath and newpath are in different directories.
// If there is an error, it will be of type *LinkError.
func Rename(oldpath, newpath string) error {
return os.Rename(fixpath(oldpath), fixpath(newpath))
}
// Symlink creates newname as a symbolic link to oldname.
// If there is an error, it will be of type *LinkError.
func Symlink(oldname, newname string) error {
return os.Symlink(fixpath(oldname), fixpath(newname))
}
// Link creates newname as a hard link to oldname.
// If there is an error, it will be of type *LinkError.
func Link(oldname, newname string) error {
return os.Link(fixpath(oldname), fixpath(newname))
}
// Stat returns a FileInfo structure describing the named file.
// If there is an error, it will be of type *PathError.
func Stat(name string) (os.FileInfo, error) {
return os.Stat(fixpath(name))
}
// Lstat returns the FileInfo structure describing the named file.
// If the file is a symbolic link, the returned FileInfo
// describes the symbolic link. Lstat makes no attempt to follow the link.
// If there is an error, it will be of type *PathError.
func Lstat(name string) (os.FileInfo, error) {
return os.Lstat(fixpath(name))
}
// Create creates the named file with mode 0666 (before umask), truncating
// it if it already exists. If successful, methods on the returned
// File can be used for I/O; the associated file descriptor has mode
// O_RDWR.
// If there is an error, it will be of type *PathError.
func Create(name string) (*os.File, error) {
return os.Create(fixpath(name))
}
// Open opens a file for reading.
func Open(name string) (File, error) {
return os.Open(fixpath(name))
}
// OpenFile is the generalized open call; most users will use Open
// or Create instead. It opens the named file with specified flag
// (O_RDONLY etc.) and perm, (0666 etc.) if applicable. If successful,
// methods on the returned File can be used for I/O.
// If there is an error, it will be of type *PathError.
func OpenFile(name string, flag int, perm os.FileMode) (*os.File, error) {
return os.OpenFile(fixpath(name), flag, perm)
}
// Walk walks the file tree rooted at root, calling walkFn for each file or
// directory in the tree, including root. All errors that arise visiting files
// and directories are filtered by walkFn. The files are walked in lexical
// order, which makes the output deterministic but means that for very
// large directories Walk can be inefficient.
// Walk does not follow symbolic links.
func Walk(root string, walkFn filepath.WalkFunc) error {
return filepath.Walk(fixpath(root), walkFn)
}
// RemoveIfExists removes a file, returning no error if it does not exist.
func RemoveIfExists(filename string) error {
err := os.Remove(filename)
if err != nil && os.IsNotExist(err) {
err = nil
}
return err
}
// Chtimes changes the access and modification times of the named file,
// similar to the Unix utime() or utimes() functions.
//
// The underlying filesystem may truncate or round the values to a less
// precise time unit. If there is an error, it will be of type *PathError.
func Chtimes(name string, atime time.Time, mtime time.Time) error {
return os.Chtimes(fixpath(name), atime, mtime)
}