package path
Import Path
path (on golang.org and go.dev)
Dependency Relation
imports 3 packages, and imported by 2 packages
Involved Source Files
match.go
d-> path.go
Exported Type Names
(none)
Exported Values
func
Base(path
string)
string
Base returns the last element of path.
Trailing slashes are removed before extracting the last element.
If the path is empty, Base returns ".".
If the path consists entirely of slashes, Base returns "/".
func
Clean(path
string)
string
Clean returns the shortest path name equivalent to path
by purely lexical processing. It applies the following rules
iteratively until no further processing can be done:
1. Replace multiple slashes with a single slash.
2. Eliminate each . path name element (the current directory).
3. Eliminate each inner .. path name element (the parent directory)
along with the non-.. element that precedes it.
4. Eliminate .. elements that begin a rooted path:
that is, replace "/.." by "/" at the beginning of a path.
The returned path ends in a slash only if it is the root "/".
If the result of this process is an empty string, Clean
returns the string ".".
See also Rob Pike, ``Lexical File Names in Plan 9 or
Getting Dot-Dot Right,''
https://9p.io/sys/doc/lexnames.html
func
Dir(path
string)
string
Dir returns all but the last element of path, typically the path's directory.
After dropping the final element using Split, the path is Cleaned and trailing
slashes are removed.
If the path is empty, Dir returns ".".
If the path consists entirely of slashes followed by non-slash bytes, Dir
returns a single slash. In any other case, the returned path does not end in a
slash.
func
Ext(path
string)
string
Ext returns the file name extension used by path.
The extension is the suffix beginning at the final dot
in the final slash-separated element of path;
it is empty if there is no dot.
func
Join(elem ...
string)
string
Join joins any number of path elements into a single path,
separating them with slashes. Empty elements are ignored.
The result is Cleaned. However, if the argument list is
empty or all its elements are empty, Join returns
an empty string.
func
Match(pattern, name
string) (matched
bool, err
error)
Match reports whether name matches the shell pattern.
The pattern syntax is:
pattern:
{ term }
term:
'*' matches any sequence of non-/ characters
'?' matches any single non-/ character
'[' [ '^' ] { character-range } ']'
character class (must be non-empty)
c matches character c (c != '*', '?', '\\', '[')
'\\' c matches character c
character-range:
c matches character c (c != '\\', '-', ']')
'\\' c matches character c
lo '-' hi matches character c for lo <= c <= hi
Match requires pattern to match all of name, not just a substring.
The only possible returned error is ErrBadPattern, when pattern
is malformed.
func
Split(path
string) (dir, file
string)
Split splits path immediately following the final slash,
separating it into a directory and file name component.
If there is no slash in path, Split returns an empty dir and
file set to path.
The returned values have the property that path = dir+file.
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