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37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package fs
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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)
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// FileSystem defines the methods of an abstract filesystem.
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type FileSystem interface {
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// ReadDir reads the directory named by dirname and returns a
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// list of directory entries.
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ReadDir(dirname string) ([]os.FileInfo, error)
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// Lstat returns a FileInfo describing the named file. If the file is a
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// symbolic link, the returned FileInfo describes the symbolic link. Lstat
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// makes no attempt to follow the link.
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Lstat(name string) (os.FileInfo, error)
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// Join joins any number of path elements into a single path, adding a
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// separator if necessary. The result is Cleaned; in particular, all
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// empty strings are ignored.
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//
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// The separator is FileSystem specific.
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Join(elem ...string) string
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}
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// fs represents a FileSystem provided by the os package.
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type fs struct{}
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func (f *fs) ReadDir(dirname string) ([]os.FileInfo, error) { return ioutil.ReadDir(dirname) }
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func (f *fs) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }
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func (f *fs) Join(elem ...string) string { return filepath.Join(elem...) }
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