How do you get full paths of all files in a directory in Go?

Question

I am using Go to iterate over all the files in a directory. This is how I am doing it:

package main

import (
    "fmt"
    "io/ioutil"
)

func main() {
    printFiles(".")
}

func printFiles(dir string) {
    fileInfos, err := ioutil.ReadDir(dir)
    if err != nil {
        fmt.Println("Error in accessing directory:", err)
    }

    for _, file := range fileInfos {
        fmt.Printf("%T: %+v\n", file, file)
    }
}

When I run this code, this is the output I get:

*os.fileStat: &{name:main.go sys:{FileAttributes:32 CreationTime:{LowDateTime:2993982878 HighDateTime:30613689} LastAccessTime:{LowDateTime:2993982878 HighDateTime:30613689} LastWriteTime:{LowDateTime:4004986069 HighDateTime:30613714} FileSizeHigh:0 FileSizeLow:320} pipe:false Mutex:{state:0 sema:0} path:C:\Users\Prakhar.Mishra\go\src\mistdatafilter\main.go vol:0 idxhi:0 idxlo:0}

I can see a property named path, but I can't access it (due to small case initial, I suppose?). Can anyone please tell me how to get full file path of all the files in a given folder?

Answer 1

You can also use the filepath.Abs method from the standard library

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

files, _ = os.ReadDir(dir)
path, _ := filepath.Abs(dir)
for _, file := range files {
    fmt.Println(filepath.Join(path, file.Name())
}