LINUX：列出外部文件夹或子文件夹的内容而不离开当前文件夹
我有一个 ac 程序，可以监视目录中某处的文件夹（程序启动时给出位置）。它的任务之一是告诉用户该指定文件夹中存储了哪些内容。我正在考虑通过管道传输 ls 命令，但我不确定如何获取您当前不在其中的文件夹的内容。帮助？
谢谢！
I have a c program that watches over a folder somewhere in your directory (location is given when program starts up). One of its tasks is to tell the user what contents are stored in that specified folder. I was thinking of piping the ls command but I'm unsure how to get contents of a folder in which you are not currently in. Help?
Thanks!
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就用ls吗？
或者，使用
opendir()和readdir()，请参阅man 3 opendir和man 3 readdirJust use ls?
Alternatively, use
opendir()andreaddir(), seeman 3 opendirandman 3 readdir也许你正在寻找
maybe you are looking for
如果您想查看父目录的内容，可以使用 ls ..
If you want to see the contents of the parent directory you can use
ls ..如果您在终端，其他答案是合适的，但您可能需要 C API，而不是昂贵的调用来分叉进程并列出目录。
对于 C API，您需要查看
opendir、readdir和linedir- 这是一个非常好的参考。The other answers are suitable if you are at the terminal, but you would probably like a C API, rather than an expensive call to fork the process and list a directory.
For a C API, you'll want to take a look at
opendir,readdirandclosedir- this is a perfectly good reference.您可以按照您的建议使用
ls。查看ls手册页。例子：You can use
lsjust as you suggested. Check out thelsman page. Example: