sunhpc-go/pkg/utils/utils.go

package utils

import (
	"crypto/rand"
	"encoding/hex"
	"os"
	"os/exec"
	"time"
)

// CommandExists 检查命令是否存在
func CommandExists(cmd string) bool {
	_, err := exec.LookPath(cmd)
	return err == nil
}

// FileExists 检查文件是否存在
func FileExists(path string) bool {
	_, err := os.Stat(path)
	return err == nil || !os.IsNotExist(err)
}

func GenerateID() (string, error) {
	bytes := make([]byte, 16)
	if _, err := rand.Read(bytes); err != nil {
		return "", err
	}
	return hex.EncodeToString(bytes), nil
}

func GetTimestamp() string {
	return time.Now().Format("2006-01-02 15:04:05")
}