package main
import (
"fmt"
"path/filepath"
"strings"
)
func main() {
p := filepath.Join("dir1", "dir2", "filename")
fmt.Println("p:", p)
fmt.Println(filepath.Join("dir1//", "filename"))
fmt.Println(filepath.Join("dir1/../dir1", "filename"))
fmt.Println("Dir(p):", filepath.Dir(p))
fmt.Println("Base(p):", filepath.Base(p))
fmt.Println(filepath.IsAbs("dir/file"))
fmt.Println(filepath.IsAbs("/dir/file"))
filename := "config.json"
ext := filepath.Ext(filename)
fmt.Println(ext)
fmt.Println(strings.TrimSuffix(filename, ext))
rel, err := filepath.Rel("a/b", "a/b/t/file")
if err != nil {
panic(err)
}
fmt.Println(rel)
rel, err = filepath.Rel("a/b", "a/c/t/file")
if err != nil {
panic(err)
}
fmt.Println(rel)
}$ go run file-paths.go
p: dir1/dir2/filename
dir1/filename
dir1/filename
Dir(p): dir1/dir2
Base(p): filename
false
true
.json
config
t/file
../c/t/file