How to check if a file exists in Go?

Using os.Stat() and os.IsNotExist() functions, you can check whether a file exists or not.

func isFileExists(filePath string) bool {

         _, err := os.Stat(filePath)

         return !os.IsNotExist(err)

}

Above function return true, if the files exists, else false.

App.go

package main

import (
	"fmt"
	"os"
)

func isFileExists(filePath string) bool {
	_, err := os.Stat(filePath)

	return !os.IsNotExist(err)
}

func main() {
	existingFile := "/Users/harikrishnagurram/Downloads/Welcome.pdf"
	nonExistingFile := "/Users/harikrishnagurram/Downloads/FileNotExists.pdf"

	fmt.Println(isFileExists(existingFile))
	fmt.Println(isFileExists(nonExistingFile))
}

Output

true

false

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