utils.go

package easyssh

import (
	"crypto/sha1"
	"fmt"
	"io"
	"log"
	"os"
	"strings"
)

// Sha1 is a helper method of sha1 algo.
func Sha1(input string) string {
	hash := sha1.New()
	hash.Write([]byte(input))
	hashed := hash.Sum(nil)
	return fmt.Sprintf("%x", hashed)
}

// IsFileExists tests whether specified filepath is exists.
func IsFileExists(filepath string) bool {
	_, err := os.Stat(filepath)
	if err == nil {
		return true
	}
	return os.IsExist(err)
}

// RemoveTrailingSlash removes trailing slash from a path.
func RemoveTrailingSlash(path string) string {
	if len(path) > 1 && strings.HasSuffix(path, "/") {
		return path[:len(path)-1]
	}
	return path
}

func Close(c io.Closer) {
	err := c.Close()
	if err != nil && err != io.EOF {
		log.Println(err)
	}
}