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用绝对路径改造路径链接

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用绝对路径改造路径链接

在我的 Linux 机器上：

$ pwd
/usr/share/file/sharedspace

$ ls -l
lrwxrwxrwx. 1 system system 18 Aug 26 18:07 file.txt -> ../../original

$ rm file.txt

如何使用绝对路径名修改此路径链接？

答案1

您正在寻找带有解析完整路径的标志readlink的命令：-f

$ pwd
/usr/share/file/sharedspace

$ ls -l
total 0
lrwxrwxrwx 1 root root 14 Jul 25 12:25 file.txt -> ../../original

$ readlink -f file.txt 
/usr/share/original

从man readlink：

       -f, --canonicalize
              canonicalize by following every symlink in every  component  of
              the given name recursively; all but the last component must ex‐
              ist

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