[Haskell-cafe] System.Posix.Files.isDirectory and System.Posix.Files.isSymbolicLink

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Mon Feb 2 11:40:28 EST 2009

On 2009 Feb 1, at 17:49, Erik de Castro Lopo wrote:
> The following code creates a symbolic link in the current directory
> and then uses System.Posix.Files.getFileStatus to get the status of
> the link.
> However, isDirectory returns True and isSymbolicLink returns False
> which is very different from what the stat() system call on a POSIX
> system would return. I consider this a bug.

Have you actually tried it?  stat() on a symlink returns information  
about the target of the link; lstat() returns information about the  
link itself.  These functions correspond to getFileStatus and  
getSymbolicLinkStatus respectively.

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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