如何将符号链接移动到垃圾箱?

时间:2010-05-17 19:41:26

标签: cocoa symlink core-services recycle-bin

我没有看到FSPathMoveObjectToTrashSync()功能的任何选项,因为没有关注链接。

这是我试过的

创建链接和文件

[ 21:32:41 /tmp ] $ touch my_file
[ 21:32:45 /tmp ] $ ln -s my_file my_link
[ 21:32:52 /tmp ] $ la
total 8
drwxrwxrwt   12 root     wheel   408 17 Maj 21:32 .
drwxr-xr-x@   6 root     wheel   204  9 Sep  2009 ..
-rw-r--r--    1 neoneye  wheel     0 17 Maj 21:32 my_file
lrwxr-xr-x    1 neoneye  wheel     7 17 Maj 21:32 my_link -> my_file

将链接移至垃圾箱

OSStatus status = FSPathMoveObjectToTrashSync(
    "/tmp/my_link",
    NULL,
    kFSFileOperationDefaultOptions
);
NSLog(@"status: %i", (int)status);

输出

status: 0

但是文件已删除,而不是链接

[ 21:32:55 /tmp ] $ la
total 8
drwxrwxrwt   11 root     wheel   374 17 Maj 21:33 .
drwxr-xr-x@   6 root     wheel   204  9 Sep  2009 ..
lrwxr-xr-x    1 neoneye  wheel     7 17 Maj 21:32 my_link -> my_file
[ 21:33:05 /tmp ] $

如何将移动符号链接移动到垃圾箱?


解决方案......感谢Rob Napier

NSString* path = @"/tmp/my_link";
OSStatus status = 0;

FSRef ref;
status = FSPathMakeRefWithOptions(
    (const UInt8 *)[path fileSystemRepresentation], 
    kFSPathMakeRefDoNotFollowLeafSymlink,
    &ref, 
    NULL
);  
NSAssert((status == 0), @"failed to make FSRef");

status = FSMoveObjectToTrashSync(
    &ref,
    NULL,
    kFSFileOperationDefaultOptions
);
NSLog(@"status: %i", (int)status);

3 个答案:

答案 0 :(得分:5)

使用FSPathMakeRefWithOptions()为链接生成FSRef。然后使用FSMoveObjectToTrashSync()删除它。

答案 1 :(得分:3)

另一种方法是告诉NSWorkspace“回收”它,发送a performFileOperation:source:destination:files:tag: message the NSWorkspaceRecycleOperation operationa recycleURLs:completionHandler: message

我不知道其中任何一个在符号链接上的效果如何,但如果您不想处理FSRef,则值得尝试。

答案 2 :(得分:0)

我的复古未来主义方法

https://github.com/reklis/recycle

//
//  main.swift
//  recycle
//
//  usage: recycle <files or directories to throw out>
//

import Foundation
import AppKit

var args = NSProcessInfo.processInfo().arguments
args.removeAtIndex(0)   // first item in list is the program itself

var w = NSWorkspace.sharedWorkspace()
var fm = NSFileManager.defaultManager()

for arg in args {
    let path = arg.stringByStandardizingPath;

    let file = path.lastPathComponent
    let source = path.stringByDeletingLastPathComponent

    w.performFileOperation(NSWorkspaceRecycleOperation,
        source:source,
        destination: "",
        files: [file],
        tag: nil)
}