[Golang] Walk All Files in Directory

2 years ago

source link: http://siongui.github.io/2016/02/04/go-walk-all-files-in-directory/
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[Golang] Walk All Files in Directory

Updated: May 10, 2018

List all files in a directory in Golang. Use filepath.Walk in Go standard library, which is similar to Python os.walk.

import (
      "fmt"
      "os"
      "path/filepath"
)

func WalkAllFilesInDir(dir string) error {
      return filepath.Walk(dir, func(path string, info os.FileInfo, e error) error {
              if e != nil {
                      return e
              }

              // check if it is a regular file (not dir)
              if info.Mode().IsRegular() {
                      fmt.Println("file name:", info.Name())
                      fmt.Println("file path:", path)
              }
              return nil
      })
}

If you do not want to walk into sub-directories, use ioutil.ReadDir.

Tested on: Ubuntu Linux 18.04, Go 1.10.2.

References:

[1]golang list files in directory

[2]List directory in go - Stack Overflow

[3]golang walk filesystem

[4]golang walk directory

[5]Python os.walk

[6]filepath - The Go Programming Language

[8][Golang] Delete Zero Size Files in Directory

Author: Siong-Ui Te ∈ Category: Go

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