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Given a Java 'File' object, how can I detect whether or not it refers to a symlink?
(If it helps/matters, I know the file refers to a directory, not to a file)
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No. rm -rf won't follow symbolic links - it will simply remove them.
As we know, cp copies the symbolic links (symlinks) in the source directory as symlinks to the destination directory.
Copy symbolic links as files '-L' ,'--dereference' - Follow symbolic links when copying from them. With this option, cp cannot create a symbolic link. For example, a symlink (to regular file) in the source tree will be copied to a regular file in the destination tree.
File.getCanonicalPath() resolves symlinks
A canonical pathname is both absolute and unique. The precise definition of canonical form is system-dependent. This method first converts this pathname to absolute form if necessary, as if by invoking the getAbsolutePath() method, and then maps it to its unique form in a system-dependent way. This typically involves removing redundant names such as "." and ".." from the pathname, resolving symbolic links (on UNIX platforms), and converting drive letters to a standard case (on Microsoft Windows platforms).
I assume you can compare the result of getCanonicalPath() and getAbsolutePath().
Update: It appears this question has already been asked - check the answers there
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