fileReadable.go

package main

import (
	"os"
	"io/ioutil"
)

// FileReadable returns true only if path is readable.
func FileReadable(path string) bool {
	fi, err := os.Stat(path)

	if err != nil {
		// We can not call stats, so it is definetly not readable
		return false
	}

	if fi.Mode().IsRegular() {
		// Open in RDONLY mode...
		f, err := os.Open(path)
		
		if err != nil {
			// ...didn't work 
			return false
		}
		
		f.Close()
		return true

	} else if fi.Mode().IsDir() {
		
		if _, err := ioutil.ReadDir(path); err != nil {
			// Reading content of directory did not work
			return false
		}
		
		return true
	}

	return false
}