গো ফাইল সিস্টেম

package main
import (
  "fmt"
  "os"
)

func main() {

  data, err := os.ReadFile("./api/document.txt")

  if err != nil {
    panic(err)
  }

  fmt.Print(string(data))
}

package main
import (
  "fmt"
  "os"
)

func main() {

  file := "./api/document.txt"

  if _, err := os.Stat(file); err == nil {
    os.Remove(file)
  }

  fmt.Println("file delete successful")
}

package main
import (
  "fmt"
  "os"
)

func main() {

  file := "./api/document.txt"

  err := os.WriteFile(
    file,
    []byte("প্রোগ্রামিং শিখুন - প্রোগ্রামিং দিয়ে আপনার ক্যারিয়ার গড়ুন"),
    0644,
  )

  if err != nil {
    panic(err)
  }

  fmt.Println("file writing successful")
}

package main
import (
  "fmt"
  "os"
)

func main() {

  source := "./api/temp/doc.txt"
  change := "./api/temp/document.txt"

  err := os.Rename(source, change)

  if err != nil {
    panic(err)
  }

  fmt.Println("file rename successful")
}

package main
import (
  "fmt"
  "os"
)

func main() {

  file := "./api/document.txt"

  _, err := os.Stat(file)

  fmt.Println(err == nil)
}

package main
import (
  "fmt"
  "os"
)

func main() {

  file := "./api/document.txt"

  info, err := os.Stat(file)

  if err != nil {
    panic(err)
  }

  fmt.Println(info.Size())
}