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staros/files.go

45 lines
882 B
Go

5 years ago
package staros
3 years ago
import (
"errors"
"os"
)
var ERR_ALREADY_LOCKED = errors.New("ALREADY LOCKED")
var ERR_TIMEOUT = errors.New("TIME OUT")
func NewFileLock(filepath string) FileLock {
return FileLock{
filepath: filepath,
}
}
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// 检测文件/文件夹是否存在
func Exists(path string) bool {
_, err := os.Stat(path)
if err != nil && os.IsNotExist(err) {
return false
}
return true
}
// IsFile 返回给定文件地址是否是一个文件,
//True为是一个文件,False为不是文件或路径无效
func IsFile(fpath string) bool {
s, err := os.Stat(fpath)
if err != nil {
return false
}
return !s.IsDir()
}
// IsFolder 返回给定文件地址是否是一个文件夹,
//True为是一个文件夹,False为不是文件夹或路径无效
func IsFolder(fpath string) bool {
s, err := os.Stat(fpath)
if err != nil {
return false
}
return s.IsDir()
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}