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Copy pathfile.go
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123 lines (108 loc) · 2.34 KB
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Copy pathfile.go
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123 lines (108 loc) · 2.34 KB
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package gone
import (
"fmt"
"io"
"os"
"path/filepath"
)
// FileSize 获取文件大小.
func FileSize(path string) int64 {
fi, err := os.Stat(path)
if err != nil {
return 0
}
return fi.Size()
}
// FileExist 判断文件是否存在.
func FileExist(file string) bool {
_, err := os.Stat(file)
if err != nil {
if os.IsExist(err) {
return true
}
if os.IsNotExist(err) {
return false
}
return false
}
return true
}
// FileIsBinary 判断文件是否是二进制文件.
func FileIsBinary(content string) bool {
for _, b := range content {
if b == 0 {
return true
}
}
return false
}
// FileIsDir 判断文件是否是目录.
func FileIsDir(path string) bool {
fio, err := os.Lstat(path)
if os.IsNotExist(err) {
return false
}
if err != nil {
return false
}
return fio.IsDir()
}
// FileCopy 复制文件,代码仅供参考.
// Deprecated
func FileCopy(source, dest string) (err error) {
var sourcefile *os.File
sourcefile, err = os.Open(filepath.Clean(source))
if err != nil {
return err
}
defer sourcefile.Close() //nolint
destfile, err := os.Create(dest)
if err != nil {
return err
}
defer destfile.Close() //nolint
_, err = io.Copy(destfile, sourcefile)
if err != nil {
return err
}
if sourceinfo, errv := os.Stat(source); errv != nil {
err = os.Chmod(dest, sourceinfo.Mode())
}
return err
}
// FileMove 移动文件,代码仅供参考.
// Deprecated
func FileMove(src, dest string) error {
dir := filepath.Dir(dest)
_, err := os.Stat(dir)
if err != nil {
err = os.MkdirAll(dir, os.FileMode(0755))
if err != nil {
return err
}
}
return os.Rename(src, dest)
}
// FileFindPath 获取文件名路径,首先判断文件是否可以直接访问,优先获取当前可执行文件夹下,再去找工作路径下.
func FileFindPath(fname string) (string, error) {
if filepath.IsAbs(fname) && !FileExist(fname) {
return "", fmt.Errorf("配置文件%s不存在", fname)
}
location, err := os.Executable()
if err != nil {
return "", err
}
fname = filepath.Join(filepath.Dir(location), fname)
if !FileExist(fname) {
location, err := os.Getwd()
if err != nil {
return "", err
}
_, fname = filepath.Split(fname)
fname = filepath.Join(location, fname)
if !FileExist(fname) {
return "", fmt.Errorf("配置文件%s不存在", fname)
}
}
return filepath.Clean(fname), nil
}