文件操作 - issue23812.go
返回文件管理
返回主菜单
删除本文件
文件: /usr/share/go-1.23/test/fixedbugs/issue23812.go
编辑文件内容
// run // Copyright 2018 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import "fmt" func main() { want := int32(0x3edae8) got := foo(1) if want != got { panic(fmt.Sprintf("want %x, got %x", want, got)) } } func foo(a int32) int32 { return shr1(int32(shr2(int64(0x14ff6e2207db5d1f), int(a))), 4) } func shr1(n int32, m int) int32 { return n >> uint(m) } func shr2(n int64, m int) int64 { if m < 0 { m = -m } if m >= 64 { return n } return n >> uint(m) }
修改文件时间
将文件时间修改为当前时间的前一年
删除文件