path
Filesystemimport "path"Implements utility routines for manipulating slash-separated paths (URL paths, not OS paths).
Example
package main
import (
"fmt"
"path"
)
func main() {
fmt.Println(path.Join("a", "b", "c")) // a/b/c
fmt.Println(path.Ext("file.txt")) // .txt
fmt.Println(path.Base("/a/b/c")) // c
}Key Types & Functions
JoinBaseDirExtCleanSplitAbout path
The path package (imported as path) belongs to the Filesystem category of Go packages. Implements utility routines for manipulating slash-separated paths (URL paths, not OS paths).
Go's standard library is one of the language's greatest strengths, providing production-ready implementations for networking, cryptography, encoding, I/O, and more. The path package follows Go's philosophy of simplicity and composability — small, focused packages that combine through interfaces like io.Reader and io.Writer.
When using path in production, follow Go best practices: handle errors explicitly, use context for cancellation and timeouts, prefer composition over inheritance, and write table-driven tests. The Go documentation at pkg.go.dev provides comprehensive API references and examples for every exported type and function.